Acquisitions - Additional Information (Detail) (USD $)		3 Months Ended		9 Months Ended
	Jan. 01, 2012 Zarlink Semiconductor, Inc.	Jan. 01, 2012 Zarlink Semiconductor, Inc. Subordinated Debentures Subject to Mandatory Redemption	Apr. 01, 2012 Timing Business of Maxim Integrated Products, Inc.	Jul. 01, 2012 Business Acquisition Pro Forma Information Zarlink Semiconductor, Inc.
Significant Acquisitions and Disposals [Line Items]
Convertible rate		6.00%
Maturity date		Sep. 30, 2012
Total estimated consideration	$ 623,670,000		$ 44,045,000
Acquisition costs related to acquisition				6,800,000
Cost of goods sold				9,200,000
Acquisition cost				6,800,000
Credit facility refinancing cost				$ 34,000,000