Stock-Based Compensation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	$ 11,368	$ 12,817	$ 23,909	$ 25,980
Compensation Cost	11,368	12,817	23,909	25,980
Americas [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	2,025	2,458	3,154	3,062
EMEA [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	1,398	2,346	2,363	3,538
APAC [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	492	469	757	594
Stock options [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Compensation Cost	277	611	603	1,071
Restricted Stock Awards And Units Member [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Compensation Cost	9,869	11,054	23,443	25,880
Change in stock based compensation capitalized in inventory [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Compensation Cost	1,222	1,152	(137)	(971)
Cost of Sales [Member] | Americas [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	2,026	2,457	3,155	3,061
Cost of Sales [Member] | EMEA [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	1,398	2,346	2,363	3,538
Cost of Sales [Member] | APAC [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	492	470	757	595
Research and Development Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	1,095	1,735	2,875	3,504
Selling General and Administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	$ 6,357	$ 5,809	$ 14,759	$ 15,282