Related Party Transactions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012	Dec. 31, 2012
Silicon Manufacturing Partners Pte Ltd. [Member]
Related Party Transaction [Line Items]
Company's equity interest in SMP joint venture	51.00%		51.00%
Purchase of inventory from SMP	$ 10.9	$ 11.7	$ 20.3	$ 23.9
Amounts payable to SMP	9.3		9.3		9.2
Seagate Technology [Member]
Related Party Transaction [Line Items]
Revenues from sales to Seagate	150.5	227.6	304.2	434.6
Accounts receivable from Seagate	$ 79.8		$ 79.8		$ 94.0

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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