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Stock-Based Compensation (Tables)

3 Months Ended

Apr. 01, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

The number of RSUs issued and outstanding under all of the Company’s stock option plans are as follows (in thousands, except for grant date fair value amounts):

	Three Months Ended   April 1, 2017
	Units			Weighted Average Grant  Date Fair Value
RSUs outstanding, beginning of period	2,706			$	41.45
Granted	—			—
Canceled	—			—
Expired	—			—
Vested	—			—
RSUs outstanding, end of period	2,706			$	41.45

Number and Weighted Average Exercise Price of Options Issued and Outstanding under all Stock Option Plans

The number and weighted-average exercise price of options issued and outstanding under all of the Company’s stock option plans are as follows (in thousands, except for exercise prices):

	Three Months Ended   April 1, 2017
	Shares			Average Exercise Price
Options outstanding, beginning of period	8,521			$	28.56
Granted	53			80.03
Canceled	(47	)		31.11
Exercised	(955	)		26.09
Options outstanding, end of period	7,572			$	29.22
Options exercisable, end of period	4,615			$	26.83

Range of Assumptions Used and Resulting Weighted-Average Fair Value of Options Granted at Date of Grant

The range of assumptions used and the resulting weighted-average fair value of options granted at the date of grant were as follows:

		Three Months Ended
		April 1, 2017		April 2, 2016
Risk-free interest rate		1.9% to 2.2%		1.3% to 1.9%
Expected term (in years)		5.5		5.7
Estimated volatility		29.7% to 30.1%		34.6% to 35.7%
Expected dividends		0%		0%
Weighted-average fair value of options granted		$25.25		$13.13

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- References

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- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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