Derivative Financial Instruments (Details) (Forward exchange contract, USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Mar. 31, 2012
Bought
Derivative [Line Items]
Notional amount of currencies purchased and sold	$ 1,152
Sold
Derivative [Line Items]
Notional amount of currencies purchased and sold		1,286
Japanese Yen | Bought
Derivative [Line Items]
Notional amount of currencies purchased and sold	4,136	6,893
Euro | Bought
Derivative [Line Items]
Notional amount of currencies purchased and sold	6,471	192
New Taiwan Dollars | Sold
Derivative [Line Items]
Notional amount of currencies purchased and sold	783	600
Korean Won | Sold
Derivative [Line Items]
Notional amount of currencies purchased and sold	2,654	1,438
British Pound | Sold
Derivative [Line Items]
Notional amount of currencies purchased and sold	4,272	2,771
Chinese Renminbi | Sold
Derivative [Line Items]
Notional amount of currencies purchased and sold	1,542	3,562
Singapore Dollar | Sold
Derivative [Line Items]
Notional amount of currencies purchased and sold	$ 204	$ 0