Share-Based Plans (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Allocation of Stock-based Compensation Expense and Related Tax Benefit

The following table provides a summary of stock compensation expense, and the related income tax benefit, recognized in the accompanying Consolidated Statements of Income:



	Years ended December 31,
(In thousands)	2016		2015		2014
Stock options	$	43	$	379	$	1,175
Restricted stock	11,395		10,556		9,048
Total stock compensation expense	$	11,438	$	10,935	$	10,223

Income tax benefit	$	4,132	$	3,903	$	3,553

Summary of Restricted Stock and Stock Option Activity

The following table provides a summary of the activity under the stock compensation plans for the year ended December 31, 2016:



	Unvested Restricted Stock Awards									Stock Options Outstanding
	Time-Based						Performance-Based			Stock Options Outstanding
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Units	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Exercise Price
Balance at January 1, 2016	236,145	$	32.58	2,088	$	34.45	115,721	$	34.14	1,527,074	$	23.92
Granted	248,418	33.52		12,946	32.89		150,392	32.75		—	—
Exercised options	—	—		—	—		—	—		412,538	28.47
Vested restricted stock awards ⁽¹⁾	216,933	30.21		12,876	33.23		140,531	33.12		—	—
Forfeited	14,269	32.89		—	—		9,398	33.63		41,562	47.92
Balance at December 31, 2016	253,361	$	32.24	2,158	$	32.89	116,184	$	33.62	1,072,974	$	21.24


(1)	Vested for purposes of recording compensation expense.

Summary of Options Outstanding and Options Exercisable

The following table summarizes information for options, all of which are both outstanding and exercisable, at December 31, 2016:



Range of Exercise Prices	Number of Shares	Weighted-Average Remaining Contractual Life (years)	Weighted-Average Exercise Price
$ 5.14 - 20.00	317,814	2.2	$	8.95
$ 20.01 - 30.00	562,040	5.2	23.53
$ 30.01 - 40.00	151,715	1.0	32.03
$ 40.01 - 48.88	41,405	0.4	44.91
	1,072,974	3.5	$	21.24