Acquisitions (Schedule Of Purchase Price Allocation) (Details) - USD ($) $ in Thousands	9 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Mar. 30, 2019
Purchase price of acquisitions allocation
Total consideration transferred	$ 103,600	$ 45,500
Goodwill	673,569		$ 565,503
Fiscal 2019 Acquisitions [Member]
Purchase price of acquisitions allocation
Trade receivables		1,674
Inventories		8,280
Other current assets		252
Property, plant and equipment		8,203
Finance lease and financing obligation assets, net		4,422
Intangible assets		7,646
Other non-current assets		10
Long-term deferred income tax assets		1,568
Total assets acquired		32,055
Current portion of long-term debt, finance leases and financing obligations		1,046
Deferred revenue		342
Other current liabilities		501
Long-term finance leases and financing obligations		9,018
Other long-term liabilities		546
Total liabilities assumed		11,453
Total net identifiable assets acquired (liabilities assumed)		20,602
Total consideration transferred		45,487
Less: total net identifiable assets acquired (liabilities assumed)		20,602
Goodwill		$ 24,885
Fiscal 2020 Acquisitions [Member]
Purchase price of acquisitions allocation
Inventories	4,374
Other current assets	706
Property, plant and equipment	2,299
Finance lease and financing obligation assets, net	29,127
Operating lease assets, net	42,680
Intangible assets	2,847
Other non-current assets	304
Long-term deferred income tax assets	3,174
Total assets acquired	85,511
Current portion of long-term debt, finance leases and financing obligations	2,672
Current portion of operating lease liabilities	4,416
Deferred revenue	1,545
Other current liabilities	361
Long-term finance leases and financing obligations	36,225
Long-term operating lease liabilities	43,668
Other long-term liabilities	1,658
Total liabilities assumed	90,545
Total net identifiable assets acquired (liabilities assumed)	(5,034)
Total consideration transferred	103,639
Less: total net identifiable assets acquired (liabilities assumed)	(5,034)
Goodwill	$ 108,673