Stock Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Total Compensation Cost from Share-Based Payments

The Company’s statements of operations included total compensation cost from awards under the Plans and purchases under the ESPP for the years ended December 31, as follows:

In thousands	2014		2013		2012
Compensation cost from:
Stock options	$	16,608	$	16,364	$	10,626
Stock and stock units		15,346		18,458		9,467
Purchases of common stock at a discount		449		599		248
	$	32,403	$	35,421	$	20,341

Summary of Information About Stock Options

The following table summarizes information about stock options as of and for the years ended December 31 as follows:

In thousands, except per share amounts	2014		2013		2012
Weighted average fair value of options granted, per share	$	5.20	$	8.38	$	13.04
Total cash received from exercises of stock options		2,356		4,847		9,677
Total intrinsic value of stock options exercised		1,619		13,829		27,572

Weighted-Average Assumptions of Fair Value of Options Granted

The weighted average fair value of options granted in the years ended December 31, 2014, 2013 and 2012, reflect the following weighted-average assumptions:

	2014			2013			2012
Expected life of options granted (in years)		6.8			6.9			7.1
Expected volatility		84	%		76	%		76	%
Risk-free rate		2.16	%		1.74	%		1.32	%
Expected dividends		0	%		0	%		0	%

Stock Option Activity

Stock option activity under the Company’s stock plans for the year ended December 31, 2014 was as follows:

	Number of Shares		Weighted Average Exercise Price Per Share
Options outstanding, January 1, 2014		10,379,668	$	10.83

Summary of Stock Options Outstanding

The following table summarizes information about stock options outstanding as of December 31, 2014:

	Options Outstanding		Options Exercisable		Options Vested and Expected To Vest
Number of options		10,148,087		5,091,290		9,369,517
Weighted average exercise price per share	$	10.09	$	9.37	$	10.16
Aggregate intrinsic value (in 000’s)	$	9,717	$	5,746	$	8,853
Weighted average remaining contractual term (years)		6.97		5.27		6.82

Stock and stock units

Stock and Stock Unit Activity

Stock and stock unit activity under the Company’s stock plans for the year ended December 31, 2014 was as follows:

	Number of Shares			Weighted Average Grant Date Fair Value
Outstanding, January 1, 2014		2,047,600		$	14.18
Granted / awarded		2,479,500		$	7.35
Forfeited		(321,718	)	$	9.30
Vested or restrictions lapsed		(702,229	)	$	13.28
Outstanding, December 31, 2014		3,503,153		$	9.97