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Segment Information - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jul. 01, 2012	Jul. 01, 2012
Segment Reporting Information [Line Items]
Number of reportable segments		3
PCIA
Segment Reporting Information [Line Items]
Insurance proceeds related to business interruption claims resulting from the Thailand floods	$ 4.0	$ 4.0

The gross income statement effect of insurance proceeds for each material event or transaction (that would not reasonably be expected to recur in the foreseeable future) that possesses a high degree of abnormality and are clearly unrelated to, or incidentally related to, the ordinary and typical activities of the entity.

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