Stock-Based Compensation (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended						9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011 Cost of sales [Member]	Oct. 02, 2010 Cost of sales [Member]	Oct. 01, 2011 Cost of sales [Member]	Oct. 02, 2010 Cost of sales [Member]	Oct. 01, 2011 Selling and administrative expenses [Member]	Oct. 02, 2010 Selling and administrative expenses [Member]	Oct. 01, 2011 Selling and administrative expenses [Member]	Oct. 02, 2010 Selling and administrative expenses [Member]	Oct. 01, 2011 Research and development expenses [Member]	Oct. 02, 2010 Research and development expenses [Member]	Oct. 01, 2011 Research and development expenses [Member]	Oct. 02, 2010 Research and development expenses [Member]	Oct. 01, 2011 Inventory [Member]	Dec. 31, 2010 Inventory [Member]	Oct. 01, 2011 Capitalized software [Member]	Dec. 31, 2010 Capitalized software [Member]	Oct. 01, 2011 Restricted Stock Plan [Member]	Oct. 01, 2011 Restricted Stock Unit Plan [Member]	Dec. 31, 2010 Restricted Stock Unit Plan [Member]
Stock-Based Compensation Allocation of Recognized Period Expense [Line Items]
Allocated stock-based compensation expense	$ 6,882,000	$ 6,244,000	$ 20,645,000	$ 18,558,000	$ 587,000	$ 623,000	$ 1,912,000	$ 1,852,000	$ 5,654,000	$ 4,829,000	$ 16,392,000	$ 14,364,000	$ 641,000	$ 792,000	$ 2,341,000	$ 2,342,000
Stock-based compensation expense capitalized																			3,000,000	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	175
Shares vested																						(250)
Shares forfeited																						(11)
Unvested shares																						666	752
Weighted-average grant date fair value of shares granted																					$ 78.10	$ 78.99
Weighted-average grant date fair value of shares vested																						$ 48.16
Weighted-average grant date fair value of shares forfeited																						$ 53.13
Weighted-average grant date fair value of shares unvested at end of period																						$ 57.85	$ 49.64
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			2.10%	3.00%
Stock option fair value assumptions, expected life in years			6	6
Stock option fair value assumptions, expected volatility			2.90%	2.93%
Stock option fair value assumptions, expected dividends			$ 0	$ 0
Weighted-average grant date fair value of options granted			$ 25.25	$ 21.40
Stock Options Outstanding Roll Forward [Abstract]
Options outstanding at beginning of period			5,560
Options granted			32	32
Options exercised			(1,045)
Options canceled			(24)
Options outstanding at end of period	4,523		4,523
Weighted-average exercise price of options outstanding at beginning of period			$ 50.19
Weighted-average exercise price of options granted			$ 78.10	$ 61.63
Weighted-average exercise price of options exercised			$ 40.95
Weighted average exercise price of options canceled			$ 80.87
Weighted-average exercise price of options outstanding at end of period	$ 52.36		$ 52.36
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			$ 80.97
Exercise price range of options exercised, lower range limit			$ 21.39
Exercise price range of options exercised, upper range limit			$ 77.94
Exercise price range of options canceled, lower range limit			$ 36.25
Exercise price range of options canceled, upper range limit			$ 80.97
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	$ 79.05		$ 79.05