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Stock Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2015

Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value

The weighted average grant-date fair value of performance awards granted under the 2006 Plan during 2015, 2014 and 2013 was as follows:



	Years Ended December 31,
	2015		2014		2013
Weighted average grant-date fair value	$	45.54	$	53.87	$	51.51

Performance Award Transactions

Performance award transactions during 2015 were as follows and are presented as if the Company were to achieve its maximum levels of performance under the plan:



Shares awarded but not earned at January 1	2,481,767
Shares awarded	861,686
Shares forfeited or unearned	(1,894,057	)
Shares earned	—
Shares awarded but not earned at December 31	1,449,396

Share-based compensation arrangement by share-based payment award, equity instruments other than options, earned and issued

Based on the level of performance achieved as of December 31, 2014, the following shares were earned under the 2012-2014 performance period and issued in the subsequent year, net of shares withheld for taxes related to the earned award:



	Year Ended December 31, 2014
Shares earned at year-end	286,804
Shares withheld for taxes on the earned awards	113,334
Shares issued subsequent to year-end, net	173,470

Restricted Stock Unit Award Transactions

RSU transactions during the year ended December 31, 2015 were as follows:



Shares awarded but not vested at January 1	—
Shares awarded	144,398
Shares forfeited	(7,002	)
Shares vested	—
Shares awarded but not vested at December 31	137,396

Weighted Average Grant-Date Fair Value Of SSARS And Assumptions Under Black-Scholes Option Model

The weighted average grant-date fair value of SSARs granted under the 2006 Plan and the weighted average assumptions under the Black-Scholes option model were as follows for the years ended December 31, 2015, 2014 and 2013:



	Years Ended December 31,
	2015			2014			2013
Weighted average grant-date fair value	$	7.41		$	13.11		$	21.10
Weighted average assumptions under Black-Scholes option model:
Expected life of awards (years)	3.0			3.0			5.5
Risk-free interest rate	0.9		%	0.9		%	0.9		%
Expected volatility	25.9		%	35.7		%	50.3		%
Expected dividend yield	1.1		%	0.8		%	0.8		%

SSAR Activity

SSAR transactions during the year ended December 31, 2015 were as follows:



SSARs outstanding at January 1	1,220,824
SSARs granted	325,200
SSARs exercised	(75,850		)
SSARs canceled or forfeited	(150,263		)
SSARs outstanding at December 31	1,319,911
SSAR price ranges per share:
Granted	$	43.88
Exercised	21.45 - 52.94
Canceled or forfeited	43.88 - 56.98
Weighted average SSAR exercise prices per share:
Granted	$	43.88
Exercised	27.01
Canceled or forfeited	54.75
Outstanding at December 31	49.56

Schedule Of SSAR Exercise Price Range, Number Of Shares, Weighted Average Exercise Price And Remaining Contractual Lives

The following table sets forth the exercise price range, number of shares, weighted average exercise price, and remaining contractual lives by groups of similar price as of December 31, 2015:



	SSARs Outstanding				SSARs Exercisable
Range of Exercise Prices	Number of Shares	Weighted Average Remaining Contractual Life (Years)	Weighted Average Exercise Price		Exercisable as of December 31, 2015	Weighted Average Exercise Price
$32.01 - $43.88	429,025	4.8	$	41.25	112,650	$	33.86
$47.89 - $63.64	890,886	3.9	$	53.56	497,490	$	53.09
	1,319,911				610,140	$	49.54