Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

Share-Based Compensation [Abstract]

Summary of transaction involving stock options

The following table summarizes the transactions involving the Company’s stock option plans:

(In thousands except exercise price and life)	Options			Weighted Average Exercise Price		Weighted Average Remaining Life (Years)		Aggregate Intrinsic Value
Outstanding at December 31, 2012		141		$	22.35		2.7	$	1,859
Exercised		(48	)		21.00
Outstanding at December 31, 2013		93			23.04		2.2		2,374
Exercised		(27	)		21.92
Outstanding at December 31, 2014		66			23.49		1.7		2,438
Exercised		(21	)		20.59
Outstanding at December 31, 2015		45			24.84		1.2		1,715
Exercisable at December 31, 2015		45		$	24.84		1.2	$	1,715

Summary of information concerning outstanding and exercisable stock options

The following table summarizes information concerning outstanding and exercisable stock options at December 31, 2015:

	Range of Exercise Price
(In thousands except life and exercise price)	$	19.03 – 24.14	$	24.15 – 26.11	$	26.12 – 30.07
Options outstanding		12		12		21
Weighted average remaining contractual life, in years		0.2		1.1		1.8
Weighted average exercise price	$	19.64	$	24.35	$	28.16
Options exercisable		12		12		21
Weighted average exercise price	$	19.64	$	24.35	$	28.16

Summary of nonvested stock and performance unit activity

The following table summarizes the non-vested stock and performance stock unit activity:

(In thousands except fair value)	Shares			Grant Date Weighted Average Fair Value		Aggregate Intrinsic Value
Outstanding at December 31, 2012		339		$	33.22	$	12,046
Granted		262			46.14
Vested		(94	)		40.57
Cancelled		(10	)		42.22
Outstanding at December 31, 2013		497			38.46		24,095
Granted		171			55.21
Vested		(40	)		27.15
Cancelled		(24	)		40.84
Outstanding at December 31, 2014		604			43.84		36,454
Granted		154			60.65
Vested		(74	)		35.51
Cancelled		(142	)		47.02
Outstanding at December 31, 2015		542		$	48.94	$	34,063