Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

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

Summary Of Share-Based Compensation Expense

Total share-based compensation expense related to the Company's employee stock options, restricted stock units, stock grant awards and ESPP for the quarters and nine months ended September 30, 2016 and October 2, 2015 was comprised as follows (in millions):

	Quarter Ended				Nine Months Ended
	September 30, 2016		October 2, 2015		September 30, 2016		October 2, 2015
Cost of revenues	$	2.0	$	2.0	$	6.0	$	5.8
Research and development	2.9		2.2		8.3		7.0
Selling and marketing	2.6		2.2		7.2		6.7
General and administrative	6.7		4.5		20.4		16.8
Share-based compensation expense before income taxes	$	14.2	$	10.9	$	41.9	$	36.3
Related income tax benefits (1)	—		—		—		—
Share-based compensation expense, net of taxes	$	14.2	$	10.9	$	41.9	$	36.3

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⁽¹⁾  A majority of the Company’s share-based compensation relates to its domestic subsidiaries; therefore, no related deferred income tax benefits are recorded due to historical net operating losses at those subsidiaries.

Schedule of Share-based Compensation, Stock Options, Activity

Summarized stock option information for the nine months ended September 30, 2016 is as follows (in millions, except per share and contractual term data):

	Nine Months Ended September 30, 2016
	Number of Shares		Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (In-The-Money)
Outstanding at December 31, 2015	5.2		$	7.85
Granted	—		—
Exercised	(0.7	)	7.13
Canceled	—		—
Outstanding at September 30, 2016	4.5		$	7.96	1.74	$	19.5
Exercisable at September 30, 2016	4.4		$	7.99	1.71	$	19.0

Additional Information On Stock Options Outstanding

Additional information with respect to stock options outstanding as of September 30, 2016, with exercise prices less than or above $12.32 per share, the closing price of the Company's common stock at September 30, 2016, is as follows (number of shares in millions):

	Exercisable			Unexercisable			Total
Exercise Prices	Number of Shares	Weighted-Average Exercise Price		Number of Shares	Weighted-Average Exercise Price		Number of Shares	Weighted-Average Exercise Price
Less than $12.32	4.4	$	7.99	0.1	$	6.65	4.5	$	7.96
Above $12.32	—	$	—	—	$	—	—	$	—
Total outstanding	4.4	$	7.99	0.1	$	6.65	4.5	$	7.96

Summary Of Restricted Stock Units Transactions

The following table presents summarized information with respect to the Company's restricted stock units as of September 30, 2016 and changes during the nine months ended September 30, 2016 (number of shares in millions):

	Number of Shares		Weighted-Average Grant Date Fair Value
Non-vested shares underlying restricted stock units at December 31, 2015	8.5		$	10.52
Granted	5.3		9.06
Released	(3.6	)	9.98
Forfeited	(0.6	)	12.08
Non-vested shares underlying restricted stock units at September 30, 2016	9.6		$	9.83