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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 29, 2013 Segment	Dec. 31, 2012	Mar. 31, 2012
Significant Accounting Policies [Line Items]
Number of reportable segments	2
Accumulated pension liability adjustment, net of tax	$ 7.1	$ 7.5
Cash equivalent maturity period	Three months or less
Inventory capitalized cost			$ 0.4

The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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