lean inventory ltd
TRANSCRIPT
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Lean Inventory
Doing It with a Dash of Reality for Retail
Tom Craig
LTD Management
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Purpose is to challenge
traditional views
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Agenda
Lean
Inventory— managing 2 parts
How much you carry
How fast you move it
(Not about inventory optimization)
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First
How many of you are practicing Lean Inventory now?
How is it going?
For those who are not, why not?
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Lean
Roots in manufacturing
“Value”--from the customers’ perspective
Lean--often used inside the 4 walls of factory/DC
More challenge with going outside 4 walls
Even more challenge going international (aka, much sourcing
is outside North America)
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Some Lean Basics
Reducing waste/add no value (for customer)
Defects
Overproduction
Transportation
Waiting
Inventory
Motion
Processing
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Inventory
Accounting—inventory is
an asset
Accounting—too much
inventory is an asset
Lean—too much inventory
is waste
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Lean & Supply Chain Management
Both based on pull
Both do not like excess
inventory
Inventory should flow
Yet everyone has DCs
Check dust on boxes in DC
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Inventory
Too much is money tied up that could be
used for other purposes
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Inventory & Too Much
Buffer against uncertainty—base vs safety stock
Measures (inventory velocity)
Turns
Days of inventory
Inventory Rich (in transit, DCs, stores)
Impact of excess (& obsolete) inventory
Millions $$$ for retail sector
Missed opportunities
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Too much
Get lower landed cost
Buying more to get lower price
Shipping more to fill a container to get lower freight (or lower
cost per whatever in container)
Someone never wants to run out of inventory and not
sell products (security blanket)
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Too much
Warehouse problems
Takes up space
Working around it
Multi-echelon inventory
Stops flow of inventory
Where does it add value
Creates redundant safety stock
Clash—supply chain practice vs lean
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The Real World of Lean Inventory
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Some Reality
Time issues
External
Internal
Domestic vs global sourcing
Length of import supply chain
Longer the time, more uncertainty, more inventory
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More Reality
Complexity of import supply
chain
Up to 17 parties
Supply chain and lean
success starts on the
inbound side
Any one remember the West
Coast ports disruption?
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How do you manage a supply
chain—and your business—with this?
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Service Performance
-Top 20 Carriers-
-
Remember-- you are buying a
service
Aggregate for Asia-Europe,
Transpacific & Transatlantic
Rolling 3-month average—
Asia-Europe at 67%
Transpacific at 52%
Transatlantic at 59%
Top Carriers for 3 months
Maersk at 80%
Hamburg-Sud at 75%
Cosco at 70%
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Service Performance
Rolling 3-month average--
Asia-Europe at 58%
Transpacific at 62%
Transatlantic at 77%
Top carriers for 3
months—
Maersk at 80.4%
Hamburg-Sud at 78.5%
Cosco at 69.9%
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What This Service Can Mean
Increased uncertainty for planning
Negative impact on operations & sales
More inventories
More capital tied up/less liquidity
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And Now—
Lean Inventory Practices
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Inventory Velocity
Move it through
Should not sit
How fast it moves
(velocity) thru entire
supply chain
Not just when/after it has been
received
Base vs safety stock
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First
Have to start somewhere
Regardless of what you do with lean
Clean up your DCs
Get rid of the obsolete and excess stuff
Have inches of dust on them
Have enough to sell for years or cannot sell
Problems with write it off??
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Inventory
The warehouse is not a retirement
home for old inventory.
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Where to Start
Which inventory and why and how?
Not for every SKU
Doing it--multiple actions needed for lean—not just one
Segregation analysis
Time compress
Supplier performance
Root cause(s)
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Segregate First
Identify and assess lean
potential of items
A vs B vs C
Product portfolio
Brand vs private label
Seasonal vs Year-round
Supplier
More than 1 cut/segmentation
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Data Possibilities--SKU--
Product category
Value/contribution—
Revenue
Profit
Cost
Sales—dollars and units
On hand inventory—dollars and
units
Turns / Days on hand
Number of times for restock—
For regional DCs to warehouses
Stores restocked
Restock cycle times
Internal
External
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Data
Demand variability
Forecasting accuracy
Product life cycle
Supplier
Replenishment cycle time—
Internal
External--supplier and transport (order placement to door steps)
Length
Reliability
Number of replenishments
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Segregate
Can expand into supply chain segmentation
Gives focus and priority
Way to deal with the noise
Emails/calls/meetings that divert you from managing
operations/inventory
Offer no value from a lean view--waste
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Compress Time
Reduce uncertainty
Shorten replenishment
cycle
Value Stream Mapping—
lean tool
Picture process/steps in key
product moves from suppliers
to DCs
Show times for each step
Internal and external
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Compress--More
Think of velocity and turns like this—
Inventory turns is how often your firm gets “paid”
Would you want to get paid 3.4 times a year
Then why are 3.4 turns/year okay
Design lean process
Key items
Seasonal
New products?!
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Compress
Assess—
Product supply chain
Information supply chain
Internal—planning cycle time/S&OP
Cross dock at DCs
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Time
Note with import supply chain—
Begins with purchase order
Transport is derivative of PO & supplier performance
Import transport
Container line performance vagaries
Align key items with faster transit carrier options
Align key items with most reliable carriers
Cross-dock at ports (the flow of inventory)
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Time
Integrated process
Horizontal process over vertical organization
Integrated technology
Not just WMS or track-and-trace
Emphasis on inbound side of supply chain
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Supplier Performance
Perfect order—delivered complete, accurate, and on-
time
Includes logistics service providers
Collaboration with key suppliers & logistics service
providers
Quality—product and service
Lead times
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Suppliers
Reliability
Better link demand/demand planning with
replenishment/buying
Move upstream--collaboration on key products/suppliers
and their practices and their upstream supply
chains!!!!!
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Real Supply Chain
Is no single supply chain
Are supply chains within
supply chains
Move upstream—natural
extension for supply chain
management and lean
Compress time
Take integration (process and
technology) to new level
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Root Causes
The “why” of excess inventory?
Cannot backslide
Identify root cause(s) for excess inventory
Correct
Implement warning system if excesses start to creep
back
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Warning Will Robinson
Lean inventory—works
best as part of a lean
supply chain program /
not as a standalone
No quick fix/silver
bullets—no “you just”
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And What Else Is Happening
New e-commerce
Immediacy
Driven by new supply chain
Multichannel
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Old vs New
E-commerce
Immediacy
Delivery within 48 hours of order placement
It is about the customer
Same old-same old
supply chain
Web site
Ship orders
UPS and FedEx dim pricing!
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45
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And if that were not enough
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Multichannel
Vs the urge to increase
inventory
Vs the idea of allocating
inventory per sales
channel
Vs Lean Inventory
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InventoryVelocity2
New = Immediacy
Expand past B2C and B2B E-commerce
Will spread—
Across channels
Across markets
Across industries
Across the world
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Network Analysis
Optimize warehouse locations
How current with present business
How viable with growth plans
How viable with future e-commerce and multichannel programs
Increase velocity
Right places to position inventory
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New Supply Chain Management
Drive Immediacy
Inventory positioning
Focus on service
No more one-size-fits-all supply chain
And more
Blue Ocean Strategy Using New Supply Chain
Management
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All these changes should not result
in
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A comment
Much talk about the last-mile delivery
Last mile delivery--tip of the iceberg
Using the old supply chain and fixating on the "last mile"
will not deliver the results customers want.
New supply chain
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It Is Coming
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