Business Segments And Geographic Information (Net Revenues And Other Financial Information By Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 25, 2011		Sep. 25, 2011	Jun. 26, 2011	Mar. 27, 2011	Dec. 26, 2010		Sep. 26, 2010	Jun. 27, 2010	Mar. 28, 2010	Dec. 25, 2011		Dec. 26, 2010		Dec. 27, 2009
Segment Reporting Information [Line Items]
Net revenues	$ 251,598		$ 215,049	$ 216,810	$ 181,886	$ 231,984		$ 200,408	$ 204,977	$ 184,309	$ 865,343		$ 821,678		$ 762,251
Long-lived assets	134,081					123,598					134,081		123,598
United States, Puerto Rico, & Dominican Republic [Member]
Segment Reporting Information [Line Items]
Net revenues											283,674	[1]	275,462	[2]	254,306	[3]
Long-lived assets	37,179	[4]				41,274	[5]				37,179	[4]	41,274	[5]
Europe [Member]
Segment Reporting Information [Line Items]
Net revenues											346,834		352,347		362,639	[6]
Long-lived assets	16,698					17,815					16,698		17,815
International Americas [Member]
Segment Reporting Information [Line Items]
Net revenues											45,307		41,868		30,289
Long-lived assets	3,557					2,280					3,557		2,280
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net revenues											189,528		152,001		115,017
Long-lived assets	76,647	[7]				62,229	[8]				76,647	[7]	62,229	[8]
United States [Member]
Segment Reporting Information [Line Items]
Net revenues											283,700		275,500		254,300
Long-lived assets	29,900					23,700					29,900		23,700
Puerto Rico [Member]
Segment Reporting Information [Line Items]
Long-lived assets						15,200							15,200
China [Member]
Segment Reporting Information [Line Items]
Long-lived assets	40,300					28,800					40,300		28,800
Hong Kong [Member]
Segment Reporting Information [Line Items]
Long-lived assets						15,900							15,900
Japan [Member]
Segment Reporting Information [Line Items]
Long-lived assets	15,000					15,400					15,000		15,400
Germany [Member]
Segment Reporting Information [Line Items]
Net revenues															$ 84,200

[1] Includes net revenue from the United States of $283.7 million.

[2] Includes net revenue from the United States of $275.5 million.

[3] Includes net revenue from the United States of $254.3 million.

[4] Includes long-lived assets from the United States of $29.9 million.

[5] Includes long-lived assets from the United States and Puerto Rico of $23.7 million and $15.2 million, respectively.

[6] Includes net revenue from Germany of $84.2 million.

[7] Includes long-lived assets from China and Japan of $40.3 million and $15.0 million, respectively.

[8] Includes long-lived assets from China, Hong Kong, and Japan of $28.8 million, $15.9 million and $15.4 million, respectively.