Accumulated Other Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 25, 2012		Mar. 27, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency beginning balance	$ 1,872		$ 1,008
Current period other comprehensive income (loss)	291		1,114
Foreign currency ending balance	2,163		2,122
Interest rate swaps beginning balance	6		(159)
Current period other comprehensive income (loss), net of tax	(80)	[1]	159	[1]
Interest rate swaps ending balance	(74)
Defined pension plan beginning balance	(29)
Current period other comprehensive income (loss)
Defined pension plan ending balance	(29)
As Restated [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss) beginning balance	1,849		849
Current period other comprehensive income (loss)	211		1,273
Accumulated other comprehensive income (loss) ending balance	$ 2,060		$ 2,122

[1] Amounts are shown net of tax of $89 and $47 for the three months ended March 27, 2011 and March 25, 2012, respectively.