Components of Gain (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	0 Months Ended
	Mar. 30, 2013	Mar. 29, 2013 DeltaNu
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds	$ 500	$ 500
Assets sold:
Accounts receivable		147
Inventories		320
Other current assets		27
Property, plant and equipment		159
Trade name		90
Total assets sold		743
Liabilities divested:
Accounts payable		59
Other accrued expenses		6
Total liabilities divested		65
Transaction and other costs		30
Gain (Loss) on sale	$ (208)	$ (208)