STOCK OPTIONS, NON-VESTED SHARES AND PERFORMANCE STOCK UNITS (Tables)

12 Months Ended

Dec. 31, 2015

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Assumptions Used to Estimate Fair Value of Stock Options

The fair value of each option granted is estimated on the date of grant using the Black-Scholes option pricing model. For the years ended December 31, 2015, 2014 and 2013, fair value of stock options was measured using the following assumptions:

	Years Ended December 31,
	2015		2014		2013
Expected life	7.0 years		7.2 years		7.3 years
Risk-free interest rate		1.9%		2.1%		1.3%
Expected dividends		3.7%		2.1%		0.0%
Volatility		49.6%		60.0%		45.0%

Stock Option Plan Activity

The following summarizes activity under the Company’s stock option plan:

				Weighted		Aggregate		Weighted
				Average		Intrinsic		Average
	Shares			Exercise		Value		Remaining
	(000)			Price		($000)		Term (yrs)
Options outstanding — December 31, 2013		2,991		$	12.91
Granted		41			13.86
Exercised		(1,096	)		11.43
Cancelled		(221	)		20.08
Options outstanding — December 31, 2014		1,715		$	12.97
Granted		124			17.02
Exercised		(320	)		6.90
Cancelled		(89	)		5.48
Options outstanding — December 31, 2015		1,430		$	15.10	$	5,953		4.04
Vested or expected to vest — December 31, 2015		1,425		$	15.10	$	5,935		4.02
Exercisable — December 31, 2015		1,148		$	16.44	$	3,628		3.12

Non-Vested Share Activity

A summary of the Company’s non-vested share activity and related information for the years ended December 31, 2015 and 2014 is as follows:

				Weighted		Aggregate
				Average		Intrinsic
	Shares			Grant Date		Value
	(000)			Fair Value		($000)
Non-vested shares outstanding — December 31, 2013		477		$	9.66
Granted		226			13.04
Vested		(307	)		10.59
Cancelled		—			—
Non-vested shares outstanding — December 31, 2014		396		$	10.87
Granted		188			17.19
Vested		(241	)		12.02
Cancelled		(9	)		4.30
Non-vested shares outstanding — December 31, 2015		334		$	13.77	$	5,935
Non-vested shares vested or expected to vest —December    31, 2015		325		$	13.74	$	5,775

Performance Stock Units

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Non-Vested Share Activity

A summary of the Company’s performance stock unit activity and related information for the year ended December 31, 2015 is as follows:

	Performance			Weighted
	Stock			Average
	Units			Grant Date
	(000)			Fair Value
Performance stock units outstanding — December 31, 2014		—		$	—
Granted		119			22.94
Vested		(20	)		21.73
Cancelled		—			—
Performance stock units outstanding — December 31, 2015		99		$	23.19