Warranties (Activity for Estimated Warranty Liability) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 31, 2016	Dec. 26, 2015
Product Warranties Disclosures [Abstract]
Product Warranty Accrual, Additions from Business Acquisition	$ 0	$ 0	$ 0	$ 1,111
Accrual for estimated warranties
Balance at beginning of period	14,046	12,805	13,371	9,953
Charged to costs and expenses	6,030	4,830	18,310	15,065
Payments and deductions	(4,675)	(4,232)	(16,280)	(12,726)
Balance at end of period	$ 15,401	$ 13,403	$ 15,401	$ 13,403