Summary Of Significant Accounting Policies (Components Of Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Mar. 26, 2011
Summary Of Significant Accounting Policies [Abstract]
Land and buildings	$ 22,410	$ 19,051
Furniture and fixtures	4,320	4,215
Leasehold improvements	6,765	6,732
Machinery and equipment	37,481	29,583
Capitalized software	23,459	22,579
Construction in progress	28,497	2,986
Total property, plant and equipment	122,932	85,146
Less: Accumulated depreciation and amortization	(55,954)	(50,583)
Property, plant and equipment, net	$ 66,978	$ 34,563