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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, shares in Thousands
 3 Months Ended 6 Months Ended
Jul. 04, 2015
Jun. 28, 2014
Jul. 04, 2015
Jun. 28, 2014
Stock-Based Compensation Allocation of Recognized Period Expense [Line Items]        
Allocated stock-based compensation expense $ 8,155,000 $ 8,224,000 $ 16,610,000 $ 16,353,000
Stock Options Outstanding Roll Forward [Line Items]        
Options outstanding at beginning of period     3,280  
Options granted     37 32
Options exercised     (296)  
Options canceled     (72)  
Options outstanding at end of period 2,949   2,949  
Weighted-average exercise price of options outstanding at beginning of period     $ 82.85  
Weighted-average exercise price of options granted     116.65 $ 99.22
Weighted-average exercise price of options exercised     74.33  
Weighted average exercise price of options canceled     83.25  
Weighted-average exercise price of options outstanding at end of period $ 84.12   $ 84.12  
Stock Option Fair Value Assumptions and Methodology [Abstract]        
Stock option fair value assumptions, risk free interest rate     1.70% 1.90%
Stock option fair value assumptions, expected life in years     4 years 4 years
Stock option fair value assumptions, expected volatility     26.20% 24.50%
Stock option fair value assumptions, expected dividends     $ 0 $ 0
Weighted-average grant date fair value of options granted     $ 28.17 $ 22.38
Restricted Stock Plan [Member]        
Stock-Based Compensation by Award [Line Items]        
Shares granted     10  
Weighted-average grant date fair value of shares granted     $ 113.88  
Restricted Stock Unit Plan [Member]        
Stock-Based Compensation by Award [Line Items]        
Unvested shares at beginning of period     533  
Shares granted     130  
Shares vested     (143)  
Shares forfeited     (8)  
Unvested shares at end of period 512   512  
Weighted-average grant date fair value of shares unvested at beginning of period     $ 94.38  
Weighted-average grant date fair value of shares granted     118.83  
Weighted-average grant date fair value of shares vested     85.34  
Weighted-average grant date fair value of shares forfeited     99.68  
Weighted-average grant date fair value of shares unvested at end of period $ 103.03   $ 103.03  
Award vesting period     5 years  
Minimum        
Stock Options Outstanding Roll Forward [Line Items]        
Weighted-average exercise price of options outstanding at beginning of period     $ 37.84  
Weighted-average exercise price of options granted     113.88  
Weighted-average exercise price of options exercised     37.84  
Weighted average exercise price of options canceled     79.05  
Weighted-average exercise price of options outstanding at end of period 38.09   38.09  
Maximum        
Stock Options Outstanding Roll Forward [Line Items]        
Weighted-average exercise price of options outstanding at beginning of period     113.36  
Weighted-average exercise price of options granted     134.37  
Weighted-average exercise price of options exercised     98.21  
Weighted average exercise price of options canceled     87.06  
Weighted-average exercise price of options outstanding at end of period $ 134.37   $ 134.37  
Cost of sales [Member]        
Stock-Based Compensation Allocation of Recognized Period Expense [Line Items]        
Allocated stock-based compensation expense $ 648,000 672,000 $ 1,322,000 $ 1,428,000
Selling and administrative expenses [Member]        
Stock-Based Compensation Allocation of Recognized Period Expense [Line Items]        
Allocated stock-based compensation expense 6,426,000 6,555,000 13,060,000 12,990,000
Research and development expenses [Member]        
Stock-Based Compensation Allocation of Recognized Period Expense [Line Items]        
Allocated stock-based compensation expense $ 1,081,000 $ 997,000 $ 2,228,000 $ 1,935,000