Changes in Accumulated Other Comprehensive Income by Component Changes in AOCI by Component (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Mar. 30, 2014	Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning	$ (15,008)	$ (28,500)	$ (19,314)	$ (29,838)
Other comprehensive income before reclassifications	(707)	2,241	(1,438)	3,827
Amounts reclassified from accumulated other comprehensive income	1,678	6,945	6,715	6,697
Net current-period other comprehensive income	971	9,186	5,277	10,524
Balance, ending	(14,037)	(19,314)	(14,037)	(19,314)
Other Comprehensive income before reclassification tax effect	413	326	1,144	(298)
Foreign currency translation adjustment, tax	(932)	(174)	(2,343)	(1,058)
Provision (benefit) for taxes	30,251	35,659	(25,651)	(17,638)
Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning	(15,013)	(25,749)	(16,864)	(25,549)
Other comprehensive income before reclassifications	(2,328)	1,940	(5,514)	1,988
Amounts reclassified from accumulated other comprehensive income	1,678	6,945	6,715	6,697
Net current-period other comprehensive income	(650)	8,885	1,201	8,685
Balance, ending	(15,663)	(16,864)	(15,663)	(16,864)
Foreign Currency Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning	5	(2,751)	(2,450)	(4,289)
Other comprehensive income before reclassifications	1,621	301	4,076	1,839
Amounts reclassified from accumulated other comprehensive income	0	0	0	0
Net current-period other comprehensive income	1,621	301	4,076	1,839
Balance, ending	1,626	(2,450)	1,626	(2,450)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Provision (benefit) for taxes	$ (307)	$ (1,229)	$ (1,228)	$ (1,445)