Income Taxes - Components of Income Before Income Taxes and Provision for Income Tax (Details) (USD $)	3 Months Ended								12 Months Ended
	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Mar. 30, 2013	Mar. 31, 2012	Apr. 02, 2011
(Loss) income before income taxes:
Domestic									$ (16,935,000)	$ (3,298,000)	$ (1,118,000)
Foreign									2,070,000	6,785,000	9,442,000
Income (loss) before income taxes									(14,865,000)	3,487,000	8,324,000
Current:
U.S. federal and state									(2,978,000)	2,287,000	1,579,000
Foreign									1,767,000	2,093,000	1,214,000
Current (benefit from) provision for income taxes									(1,211,000)	4,380,000	2,793,000
Deferred:
U.S. federal and state									40,055,000	(5,221,000)	(2,024,000)
Foreign									1,007,000	(576,000)	(379,000)
Deferred provision for (benefit from) income taxes									41,062,000	(5,797,000)	(2,403,000)
Total provision for (benefit from) income taxes	35,217,000	2,625,000	2,759,000	(750,000)	(2,752,000)	(2,196,000)	1,372,000	2,159,000	39,851,000	(1,417,000)	390,000
Tax benefit derived from stock-based compensation									$ 0	$ 500,000	$ 300,000