Postretirement Benefit Plans (Schedule of Benefit Obligation, Fair Value of Plan Assets and Funded Status) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Mar. 25, 2017	Mar. 26, 2016
Change in benefit obligation:
Total benefit obligation, beginning balance	$ 21,123	$ 23,968
Interest cost	651	759	$ 821
Plan settlements	0	(4,517)
Benefits paid and expenses	(312)	(264)
Change in foreign currency exchange rate	2,869	(2,763)
Actuarial (gain) / loss	16,270	3,940
Total benefit obligation, ending balance	40,601	21,123	23,968
Change in plan assets:
Fair value of plan assets, beginning balance	22,143	25,688
Actual return on plan assets	2,700	3,933
Employer contributions	12,877	990
Plan settlements	0	(5,243)
Change in foreign currency exchange rate	3,193	(2,961)
Benefits paid and expenses	(312)	(264)
Fair value of plan assets, ending balance	40,601	22,143	$ 25,688
Funded status of Scheme at end of year	$ 0	$ 1,020