Intangible Assets (Expected Future Amortization Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 31, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Intangibles amortization	$ 2,683	$ 2,923	$ 3,109	$ 3,309	$ 3,321	$ 3,478	$ 3,474	$ 3,464	$ 12,024	$ 13,737	$ 13,025
2015	10,547								10,547
2016	10,281								10,281
2017	9,325								9,325
2018	7,948								7,948
2019	6,967								6,967
Thereafter	25,838								25,838
Total	$ 70,906				$ 82,929				$ 70,906	$ 82,929