Segment Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Dec. 30, 2012		Jan. 01, 2012		Dec. 30, 2012		Jan. 01, 2012
Segment Reporting Information [Line Items]
Document Period End Date					Dec. 30, 2012
Revenues	$ 115,147		$ 119,977		$ 378,709		$ 407,580
UNITED STATES
Segment Reporting Information [Line Items]
Revenues	17,600		19,200		54,100		55,200
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenues	71,821		78,444		243,670		272,210
Americas [Member]
Segment Reporting Information [Line Items]
Revenues	19,029	[1]	20,020	[1]	59,130	[1]	57,785	[1]
Japan [Member]
Segment Reporting Information [Line Items]
Revenues	10,019		10,417		32,390		33,463
Europe [Member]
Segment Reporting Information [Line Items]
Revenues	$ 14,278		$ 11,096		$ 43,519		$ 44,122

[1] The revenues from the customers in the U.S. were $17.6 million and $19.2 million in the three months ended December 30, 2012 and January 1, 2012, respectively. The revenues from the customers in the U.S. were $54.1 million and $55.2 million in the nine months ended December 30, 2012 and January 1, 2012, respectively.