Special Charges - Activity and Liability Balances for Exit Costs (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 28, 2014	Dec. 29, 2013
Restructuring Cost and Reserve [Line Items]
Charged to costs and expenses	$ 69	$ 1,947	$ 3,361	$ 15,900
March 2014 Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance			7,488
Charged to costs and expenses			2,620
Payments			(10,108)
Ending Balance	0		0
March 2014 Initiative [Member] | Workforce Reductions [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance			3,177
Charged to costs and expenses			2,693
Payments			(5,870)
Ending Balance	0		0
March 2014 Initiative [Member] | Contract Cancellation and Other [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance			4,311
Charged to costs and expenses			(73)
Payments			(4,238)
Ending Balance	0		0
June 2013 Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance			8,149
Charged to costs and expenses	100		741
Payments			(2,635)
Ending Balance	6,255		6,255
June 2013 Initiative [Member] | Workforce Reductions [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance			3,528
Charged to costs and expenses			741
Payments			(1,798)
Ending Balance	2,471		2,471
June 2013 Initiative [Member] | Facilities and Other [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance			4,621
Payments			(837)
Ending Balance	$ 3,784		$ 3,784