Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

Stock Compensation Plan Activity

Stock compensation plan activity for the years 2013, 2012 and 2011 follows:

	2013			2012			2011
	(in thousands)
Restricted Stock Units:
Non-vested at January 1		4,970			5,840			6,963
Awarded		2,110			1,844			1,936
Vested		(2,322	)		(2,510	)		(2,624	)
Forfeited		(122	)		(204	)		(435	)
Non-vested at December 31		4,636			4,970			5,840
Stock Options:
Outstanding at January 1		3,841			5,335			7,194
Granted		213			151			145
Assumed from acquisition		—			—			2,828
Exercised		(1,220	)		(1,396	)		(965	)
Forfeited		(104	)		(203	)		—
Cancelled		(24	)		(46	)		(3,867	)
Outstanding at December 31		2,706			3,841			5,335
Vested and expected to vest at December 31		2,694			3,785			4,904
Exercisable at December 31		1,814			2,004			1,844

Share Based Compensation Total Shares Available

Total shares available for the years 2013, 2012 and 2011:

	2013			2012			2011
	(in thousands)
Shares available:
Available for grant at January 1		6,414			8,205			9,851
Options granted		(213	)		(151	)		(145	)
Restricted stock units granted		(2,110	)		(1,844	)		(1,936	)
Restricted stock units forfeited		122			204			435
Additional shares reserved		10,000			—			—
Available for grant at December 31		14,213			6,414			8,205

Weighted-Average Restricted Stock Unit Award Date Fair Value

Weighted-average restricted stock unit award date fair value information for the years 2013, 2012 and 2011 follows:

	2013		2012		2011
Non-vested at January 1	$	12.72	$	10.01	$	7.92
Awarded		16.53		16.67		15.77
Vested		10.40		9.29		8.56
Forfeited		15.48		13.32		9.24
Non-vested at December 31	$	15.56	$	12.72	$	10.01

Restricted Stock Unit Awards Aggregate Intrinsic Value

Restricted stock unit awards aggregate intrinsic value information at December 31 for the years 2013, 2012 and 2011 follows:

	2013		2012		2011
	(in thousands)
Outstanding	$	81,680	$	83,949	$	79,598
Expected to vest		77,388		78,718		75,860

Restricted Stock Units Weighted Average Contractual Terms

Restricted stock units weighted average contractual terms (in years) information at December 31, for the years 2013, 2012 and 2011 follows:

	2013		2012		2011
Outstanding		1.14		1.01		1.04
Expected to vest		1.13		1.00		1.03

Weighted Average Stock Options Exercise Price

Weighted average stock options exercise price information for the years 2013, 2012 and 2011 follows:

	2013		2012		2011
Outstanding at January 1	$	4.64	$	4.12	$	16.32
Options granted		16.56		16.95		16.23
Assumed from acquisition		—		—		2.69
Options exercised		3.28		3.87		4.38
Options forfeited		2.57		3.11		—
Options cancelled		8.05		16.21		26.38
Outstanding at December 31		6.29		4.64		4.12
Exercisable at December 31		4.55		3.70		4.10

Stock Option Aggregate Intrinsic Value Information

Stock option aggregate intrinsic value information for the years ended December 31, 2013, 2012 and 2011 follows:

	2013		2012		2011
	(in thousands)
Exercised	$	16,848	$	17,136	$	11,307
Outstanding		30,673		47,051		51,306
Vested and expected to vest		30,512		46,283		46,655
Exercisable		23,707		26,436		17,766

Stock Options Weighted Average Contractual Terms

Stock options weighted average contractual terms (in years) information at December 31, for the years 2013, 2012 and 2011 follows:

	2013		2012		2011
Outstanding		4.9		5.7		6.4
Vested and Expected to vest		4.9		5.6		6.2
Exercisable		4.3		4.9		4.0

Significant Option Groups Outstanding

Significant option groups outstanding at December 31, 2013 and related weighted average price and remaining contractual life information follow:

	Options Outstanding						Options Exercisable
Range Of Exercise Prices	Weighted- Average Remaining Contractual Life (Years)		Shares		Weighted- Average Exercise Price		Shares		Weighted- Average Exercise Price
	(shares in thousands)
$0.94 – $2.58		5.97		485	$	1.83		436	$	1.79
$2.67 – $2.74		5.39		821		2.69		545		2.70
$3.23 – $7.71		3.80		674		5.15		590		5.00
$9.34 – $16.95		4.64		726		14.39		243		12.58
				2,706	$	6.29		1,814	$	4.55