Postretirement Benefit Plans (Schedule of Benefit Obligation, Fair Value of Plan Assets and Funded Status) (Details) (USD $) In Thousands, unless otherwise specified	7 Months Ended	12 Months Ended
	Mar. 28, 2015	Mar. 28, 2015
Employee Benefit Plans [Abstract]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	$ 22,959
Expenses	16
Interest cost	544	544
Actuarial loss	3,827
Defined Benefit Plan, Benefit Obligation, Ending Balance	27,091	27,091
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	25,021
Actual return on plan assets	1,969
Benefits paid and expenses	(255)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	26,735	26,735
Defined Benefit Plan, Funded Status of Plan	(356)	(356)
Expenses		16
Net Periodic Benefit Cost, Total		$ (232)