Segment Information (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 30, 2012	Apr. 01, 2011	Apr. 02, 2010
Revenue information by geographic area
Revenue information by geographic area - United States	$ 680,655	$ 667,060	$ 554,522
Total revenues	863,627	802,206	688,080
Europe, Middle East and Africa [Member]
Revenue information by geographic area
Revenue information by geographic area	114,382	95,356	90,838
Asia, Pacific [Member]
Revenue information by geographic area
Revenue information by geographic area	22,683	24,203	25,293
North America other than United States [Member]
Revenue information by geographic area
Revenue information by geographic area	32,657	8,321	9,026
Central and Latin America [Member]
Revenue information by geographic area
Revenue information by geographic area	$ 13,250	$ 7,266	$ 8,401