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Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Share-Based Compensation Expense

The table below reflects the total share-based compensation expense recognized in our Consolidated Statements of Comprehensive Income (Loss) for the years ended December 31, 2015, 2014 and 2013.

	2015				2014						2013
			Restricted					Restricted					Restricted
Income Statement Classification	Options⁽¹⁾		Shares⁽²⁾		Options⁽¹⁾			Shares⁽²⁾			Options⁽¹⁾		Shares⁽²⁾
Direct cost of revenues	$	3,736	$	6,532	$	5,404		$	8,951		$	6,807	$	9,181
Selling, general and administrative expense		1,482		7,469		1,783			8,508			1,849		10,053
Special charges ⁽³⁾		—		—		(126	)		(990	)		1,482		5,938
Share-based compensation expense before income taxes		5,218		14,001		7,061			16,469			10,138		25,172
Income tax benefit		1,353		5,138		2,698			6,490			4,101		9,094
Share-based compensation, net of income taxes	$	3,865	$	8,863	$	4,363		$	9,979		$	6,037	$	16,078

⁽¹⁾	Includes options and cash-settled stock appreciation rights.

⁽²⁾	Includes restricted share awards, performance and market condition restricted stock units, and cash-settled restricted stock units.

⁽³⁾

Special charges of $0.2 million equity award expense acceleration and $0.1 million option expense acceleration are net of forfeitures of $1.2 million and $0.2 million, respectively, for the year ended December 31, 2014. (See “Note 4. Special Charges” to the Consolidated Financial Statements for information related to the special charges).

Schedule Of Stock Option And Grants Using Valuation Assumptions

We use the Black-Scholes option-pricing model to value our option grants using the assumptions in the following table:

	Year Ended December 31,
Assumptions	2015		2014		2013
Risk-free interest rate	1.07% -1.70%		0.99% - 1.94%		0.77% - 1.71%
Dividend yield		0%		0%		0%
Expected term	3 - 5 years		3 - 6 years		5 - 6 years
Stock price volatility	31.03% to 40.36%		31.05% - 37.60%		37.30% - 38.27%

Schedule Of Stock Option Activity

The aggregate intrinsic value in the table below represents the total pre-tax intrinsic value (the difference between the closing price of our common stock on the last trading day of 2015 and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holders had all option holders exercised their options on December 31, 2015. The aggregate intrinsic value changes based on fluctuations in the fair market value per share of our common stock.

						Weighted-
						Average
				Weighted-		Remaining
				Average		Contractual		Aggregate
				Exercise		Term		Intrinsic
	Shares			Price		(In Years)		Value
Options outstanding at December 31, 2014		4,340		$	38.03
Options granted		185		$	36.82
Options exercised		(763	)	$	29.92
Options forfeited		(270	)	$	48.90
Options outstanding at December 31, 2015		3,492		$	38.89		5.3	$	4,745
Options exercisable at December 31, 2015		2,110		$	41.37		4.0	$	2,879

Schedule Of Stock Options Outstanding And Exercisable Price Range Status

The following is a summary of the status of stock options outstanding and exercisable at December 31, 2015:

	Options Outstanding						Options Exercisable
					Weighted-
					Average
			Weighted-		Remaining				Weighted-
			Average		Contractual				Average
			Exercise		Term				Exercise
Exercise Price Range	Shares		Price		(In Years)		Shares		Price
$25.73-$31.13		729	$	28.81		4.6		393	$	27.76
$31.54-$36.29		717	$	34.46		6.2		336	$	34.80
$36.43-$37.95		716	$	37.06		7.2		262	$	37.40
$38.03-$43.13		710	$	40.57		5.3		501	$	40.34
$43.27-$70.55		620	$	56.07		2.8		618	$	56.11
		3,492						2,110

Schedule Of Unvested Restricted Stock-Based Activity

The fair value of unvested restricted share awards is determined based on the closing market price per share of our common stock on the grant date

				Weighted-
				Average Grant-
				Date Fair
	Shares			Value
Unvested restricted share awards outstanding at December 31, 2014		1,032		$	35.96
Restricted share awards granted		308		$	38.91
Restricted share awards vested		(384	)	$	35.77
Restricted share awards forfeited		(173	)	$	39.08
Unvested restricted share awards outstanding at December 31, 2015		783		$	36.55

Schedule Of Restricted Stock Unit Activity

The fair value of Restricted Stock Units is determined based on the closing market price per share of our common stock on the grant date

				Weighted-
				Average Grant-
				Date Fair		Intrinsic
	Shares			Value		Value
Restricted stock units outstanding at December 31, 2014		776		$	37.00
Restricted stock units granted		193		$	39.17
Restricted stock units released		(87	)	$	33.37
Restricted stock units forfeited		(113	)	$	37.55
Restricted stock units outstanding at December 31, 2015		769		$	37.87	$	26,547

Schedule Of Weighted-Average Grant Date Fair Value Per Share Of Stock Options, Restricted Shares And Stock Units Awarded

The table below reflects the weighted-average grant date fair value per share of stock options, restricted share awards and restricted stock units awarded during the years ended December 31, 2015, 2014 and 2013.

	Year Ended December 31,
	2015		2014		2013
Weighted average fair value of grants
Stock options	$	10.85	$	10.77	$	13.15
Restricted share awards and restricted stock units	$	39.01	$	32.87	$	36.31