Stock-Based Compensation (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended					3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012 Restricted Stock Plan [Member]	Jun. 30, 2012 Restricted Stock Unit Plan [Member]	Dec. 31, 2011 Restricted Stock Unit Plan [Member]	Jun. 30, 2012 Cost of sales [Member]	Jul. 02, 2011 Cost of sales [Member]	Jun. 30, 2012 Cost of sales [Member]	Jul. 02, 2011 Cost of sales [Member]	Jun. 30, 2012 Selling and administrative expenses [Member]	Jul. 02, 2011 Selling and administrative expenses [Member]	Jun. 30, 2012 Selling and administrative expenses [Member]	Jul. 02, 2011 Selling and administrative expenses [Member]	Jun. 30, 2012 Research and development expenses [Member]	Jul. 02, 2011 Research and development expenses [Member]	Jun. 30, 2012 Research and development expenses [Member]	Jul. 02, 2011 Research and development expenses [Member]	Jun. 30, 2012 Inventory [Member]	Dec. 31, 2011 Inventory [Member]	Jun. 30, 2012 Capitalized software [Member]	Dec. 31, 2011 Capitalized software [Member]
Stock-Based Compensation Allocation of Recognized Period Expense [Line Items]
Allocated stock-based compensation expense	$ 7,114,000	$ 6,748,000	$ 14,381,000	$ 13,763,000				$ 640,000	$ 629,000	$ 1,294,000	$ 1,325,000	$ 5,668,000	$ 5,272,000	$ 11,463,000	$ 10,738,000	$ 806,000	$ 847,000	$ 1,624,000	$ 1,700,000
Stock-based compensation expense capitalized																						2,000,000	3,000,000
Stock-based compensation expense capitalized, less than $1 million																				less than $1 million	less than $1 million
Stock-Based Compensation by Award [Line Items]
Shares granted					12	158
Shares vested						(224)
Shares forfeited						(8)
Unvested shares						580	654
Weighted-average grant date fair value of shares granted					$ 75.94	$ 87.92
Weighted-average grant date fair value of shares vested						$ 55.16
Weighted-average grant date fair value of shares forfeited						$ 57.26
Weighted-average grant date fair value of shares unvested at end of period						$ 67.19	$ 57.94
Award vesting period					The restrictions on these shares lapse at the end of a three-year period.	Restricted stock units are generally granted annually in February and vest in equal annual installments over a five-year period.
Stock Option Fair Value Assumptions and Methodology [Abstract]
Stock option fair value assumptions, risk free interest rate			1.00%	2.10%
Stock option fair value assumptions, expected life in years			6	6
Stock option fair value assumptions, expected volatility			38.00%	29.00%
Stock option fair value assumptions, expected dividends			$ 0	$ 0
Weighted-average grant date fair value of options granted			$ 28.68	$ 25.25
Stock Options Outstanding Roll Forward [Abstract]
Options outstanding at beginning of period			4,809
Options granted			32	32
Options exercised			(415)
Options canceled			(68)
Options outstanding at end of period	4,358		4,358
Weighted-average exercise price of options outstanding at beginning of period			$ 56.71
Weighted-average exercise price of options granted			$ 75.94	$ 78.10
Weighted-average exercise price of options exercised			$ 39.24
Weighted average exercise price of options canceled			$ 64.71
Weighted-average exercise price of options outstanding at end of period	$ 58.39		$ 58.39
Exercise price range of options outstanding at beginning of period, lower range limit			$ 21.39
Exercise price range of options outstanding at beginning of period, upper range limit			$ 79.15
Exercise price range of options exercised, lower range limit			$ 21.39
Exercise price range of options exercised, upper range limit			$ 79.05
Exercise price range of options canceled, lower range limit			$ 41.20
Exercise price range of options canceled, upper range limit			$ 77.94
Exercise price range of options outstanding at end of period, lower range limit	$ 21.39		$ 21.39
Exercise price range of options outstanding at end of period, upper range limit	$ 79.15		$ 79.15