Supplemental Disclosure of Cash Flow Information (Narrative) (Details) - USD ($)	12 Months Ended
	Mar. 25, 2017	Mar. 26, 2016	Mar. 28, 2015
Supplemental Disclosure of Cash Flow Information [Abstract]
Increase in capital leases and financing obligations	$ 14,243,000	$ 13,265,000	$ 11,599,000
Increase in property, plant and equipment	$ 14,243,000	$ 13,265,000	$ 11,599,000