Derivative Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Mar. 31, 2012
Forward currency exchange contracts outstanding
Notional amount of foreign currency derivatives	$ 149,496	$ 146,661
Singapore Dollar [Member]
Forward currency exchange contracts outstanding
Notional amount of foreign currency derivatives	70,197	60,925
Euro [Member]
Forward currency exchange contracts outstanding
Notional amount of foreign currency derivatives	39,865	41,467
Indian Rupee [Member]
Forward currency exchange contracts outstanding
Notional amount of foreign currency derivatives	16,941	18,943
British Pound [Member]
Forward currency exchange contracts outstanding
Notional amount of foreign currency derivatives	11,602	14,250
Japanese Yen [Member]
Forward currency exchange contracts outstanding
Notional amount of foreign currency derivatives	$ 10,891	$ 11,076