ACCUMULATED OTHER COMPREHENSIVE INCOME (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Realized net gain on derivatives									$ (9,375)	$ (10,031)	$ (6,540)
Income tax effect									(14,268)	(1,253)	(11,097)
Net income	(2,929)	15,988	7,487	(3,649)	10,184	16,290	16,548	(7,874)	16,897	35,148	38,800
Net Unrealized Gain/loss on Derivatives | Amounts Reclassified from Other Comprehensive Income
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Realized net gain on derivatives									6,736	8,960
Income tax effect									(272)	(390)
Net income									6,464	8,570
Defined benefit plans | Amounts Reclassified from Other Comprehensive Income
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Realized net gain on derivatives									123	317
Income tax effect									(44)	(59)
Net income									$ 79	$ 258