Supplemental Disclosure of Cash Flow Information (Details) (USD $)	9 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Supplemental Cash Flow [Line Items]
Fair value of assets acquired	$ 12,184,000	$ 89,340,000
Goodwill acquired	16,714,000	110,193,000
Gain on bargain purchase	(261,000)	0
Cash paid, net of cash acquired	(26,334,000)	(144,715,000)
Liabilities assumed	$ 2,303,000	$ 54,818,000