Supplemental Disclosure of Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 24, 2016	Sep. 26, 2015	Mar. 26, 2016
Business Acquisition [Line Items]
Goodwill	$ 487,923		$ 400,132
Cash paid, net of cash acquired	(129,473)	$ (46,971)
Fiscal 2017 and 2016 Acquisitions [Member]
Business Acquisition [Line Items]
Fair value of assets acquired	70,273
Goodwill	87,791
Cash paid, net of cash acquired	(129,473)
Amounts payable to seller	352
Liabilities assumed	$ 28,943
Fiscal 2016 Adjusted Acquisitions [Member]
Business Acquisition [Line Items]
Fair value of assets acquired		28,237
Goodwill		45,314
Cash paid, net of cash acquired		(43,425)
Amounts payable to seller		(6,000)
Liabilities assumed		$ 24,126