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Stock-Based Compensation (Details) - USD ($) $ / shares in Units, shares in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Stock Option Fair Value Assumptions and Methodology [Abstract]
Stock option fair value assumptions, risk free interest rate			1.50%	1.40%
Stock option fair value assumptions, expected life in years			5 years	4 years
Stock option fair value assumptions, expected volatility			28.60%	29.10%
Stock option fair value assumptions, expected dividends			$ 0	$ 0
Weighted-average grant date fair value of options granted			$ 34.63	$ 30.85
Stock Options Outstanding Roll Forward [Abstract]
Options outstanding at beginning of period			3,154
Options granted			86	115
Options exercised			(700)
Options canceled			(50)
Options outstanding at end of period	2,490		2,490
Weighted-average exercise price of options outstanding at beginning of period			$ 96.73
Weighted-average exercise price of options granted			122.65	$ 121.33
Weighted-average exercise price of options exercised			76.98
Weighted average exercise price of options canceled			109.55
Weighted-average exercise price of options outstanding at end of period	$ 102.92		$ 102.92
Stock-Based Compensation Allocation of Recognized Period Expense [Line Items]
Allocated stock-based compensation expense	$ 8,367,000	$ 8,347,000	$ 32,604,000	$ 24,957,000
Incremental stock-based compensation cost due to acceleration of awards			$ 7,000,000
Minimum
Stock Options Outstanding Roll Forward [Abstract]
Weighted-average exercise price of options outstanding at beginning of period			$ 38.09
Weighted-average exercise price of options granted			117.68
Weighted-average exercise price of options exercised			41.20
Weighted average exercise price of options canceled			79.15
Weighted-average exercise price of options outstanding at end of period	$ 38.09		38.09
Maximum
Stock Options Outstanding Roll Forward [Abstract]
Weighted-average exercise price of options outstanding at beginning of period			134.37
Weighted-average exercise price of options granted			130.35
Weighted-average exercise price of options exercised			113.36
Weighted average exercise price of options canceled			128.93
Weighted-average exercise price of options outstanding at end of period	$ 134.37		$ 134.37
Restricted Stock Plan
Unvested Awards Roll Forward
Shares granted			8
Weighted-average grant date fair value of shares granted			$ 130.35
Restricted Stock Unit Plan
Stock-Based Compensation by Award [Line Items]
Award vesting period			5 years
Unvested Awards Roll Forward
Unvested shares at beginning of period			497
Shares granted			136
Shares vested			(143)
Shares forfeited			(11)
Unvested shares at end of period	479		479
Weighted-average grant date fair value of shares unvested at beginning of period			$ 104.16
Weighted-average grant date fair value of shares granted			117.75
Weighted-average grant date fair value of shares vested			98.76
Weighted-average grant date fair value of shares forfeited			109.85
Weighted-average grant date fair value of shares unvested at end of period	$ 109.50		$ 109.50
Cost of sales [Member]
Stock-Based Compensation Allocation of Recognized Period Expense [Line Items]
Allocated stock-based compensation expense	$ 731,000	668,000	$ 2,058,000	1,990,000
Selling and administrative expenses [Member]
Stock-Based Compensation Allocation of Recognized Period Expense [Line Items]
Allocated stock-based compensation expense	6,944,000	6,626,000	27,526,000	19,686,000
Research and development expenses [Member]
Stock-Based Compensation Allocation of Recognized Period Expense [Line Items]
Allocated stock-based compensation expense	$ 692,000	$ 1,053,000	$ 3,020,000	$ 3,281,000

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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The estimated amount of dividends to be paid to holders of the underlying shares (expected dividends) over the option's term. Dividends are taken into account because payment of dividends to shareholders reduces the fair value of the underlying shares, and option holders generally do not receive dividends.

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