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WESTERN DIGITAL CORPORATION
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)
In addition, the Company enters into certain strategic investments for the promotion of business and strategic
objectives. These strategic investments are recorded at cost within other non-current assets in the consolidated balance
sheets and were not material to the consolidated financial statements as of July 3, 2015. They are also periodically
analyzed to determine whether or not there are indicators of impairment.
Fair Value of Financial Instruments
The carrying amounts of cash equivalents, accounts receivable, investments, accounts payable and accrued
expenses approximate fair value for all periods presented because of the short-term maturity of these assets and
liabilities or, in the case of investments, these are recorded using appropriate market information. The carrying
amount of debt approximates fair value because of its variable interest rate.
Concentration of Credit Risk
The Company sells its products to computer manufacturers, resellers and retailers throughout the world. The
Company performs ongoing credit evaluations of its customers’ financial condition and generally requires no
collateral. The Company maintains allowances for potential credit losses, and such losses have historically been within
management’s expectations. At any given point in time, the total amount outstanding from any one of a number of its
customers may be individually significant to the Company’s financial results. At July 3, 2015 and June 27, 2014, the
Company had two customers that accounted for 30% and 29%, respectively, of the Company’s net accounts receiv-
able. At July 3, 2015 and June 27, 2014, the Company had reserves for potential credit losses of $7 million and $11
million, respectively, and net accounts receivable of $1.5 billion and $2.0 billion, respectively.
The Company also has cash equivalent and investment policies that limit the amount of credit exposure to any
one financial institution or investment instrument and requires that investments be made only with financial
institutions or in investment instruments evaluated as highly credit-worthy.
Inventories
The Company values inventories at the lower of cost (first-in, first out and weighted average methods) or net
realizable value. The first-in, first-out (“FIFO”) method is used to value the cost of the majority of the Company’s
inventories, while the weighted-average method is used to value precious metal inventories. Weighted-average cost is
calculated based upon the cost of precious metals at the time they are received by the Company. The Company has
determined that it is not practicable to assign specific costs to individual units of precious metals and, as such, pre-
cious metals are relieved from inventory based on the weighted-average cost of the inventory at the time the inventory
is used in production. The weighted average method of valuing precious metals does not materially differ from the
FIFO method. As of July 3, 2015 and June 27, 2014, 96% and 92%, respectively, of the inventory was valued using
the FIFO method with the remainder valued using the weighted average method. Inventory write-downs are recorded
for the valuation of inventory at the lower of cost or net realizable value by analyzing market conditions and estimates
of future sales prices as compared to inventory costs and inventory balances.
The Company evaluates inventory balances for excess quantities and obsolescence on a regular basis by analyzing
estimated demand, inventory on hand, sales levels and other information, and reduces inventory balances to net realiz-
able value for excess and obsolete inventory based on this analysis. Unanticipated changes in technology or customer
demand could result in a decrease in demand for one or more of the Company’s products, which may require a write
down of inventory that could materially affect operating results.
Property, Plant and Equipment
The cost of property, plant and equipment is depreciated over the estimated useful lives of the respective assets.
The Company’s buildings are depreciated over periods ranging from fifteen to thirty years. The majority of the
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