Supplemental Disclosure of Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Dec. 23, 2017	Dec. 24, 2016	Mar. 25, 2017
Business Acquisition [Line Items]
Goodwill acquired	$ 517,989		$ 501,736
Cash paid, net of cash acquired	(16,363)	$ (133,684)
Amounts payable to sellers		(100)
Fiscal 2018 and 2017 Adjustments [Member]
Business Acquisition [Line Items]
Fair value of assets acquired	12,231
Goodwill acquired	16,253
Gain on bargain purchase	(13)
Cash paid, net of cash acquired	(15,757)
Liabilities assumed	$ 12,714
Fiscal 2017 And 2016 Adjustments [Member]
Business Acquisition [Line Items]
Fair value of assets acquired		76,149
Goodwill acquired		95,973
Cash paid, net of cash acquired		(133,684)
Amounts payable to sellers		545
Liabilities assumed		$ 38,983