Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Weighted Average Option Fair Values and Assumptions

Weighted average option fair values and assumptions for the period are as follows:

	Years Ended December 31,
	2017	2016	2015
Weighted average fair value of grants	$24.19	$18.56	$20.32
Dividend yield	1.45%	1.69%	1.45%
Volatility	29.41%	29.70%	29.90%
Risk-free interest rate	0.83% - 3.04%	0.53% - 2.49%	0.24% - 2.82%
Expected life (in years)	5.83	5.91	5.93

Schedule of Stock Option Activity

A summary of the Company’s stock option activity as of December 31, 2017, and changes during the year ended December 31, 2017 is presented as follows:

Stock Options	Shares		Weighted Average Price		Weighted-Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1, 2017	1,987,946		$	61.83	6.84	$	56,144,876
Granted	441,990		93.48
Exercised	(448,189	)	51.17
Forfeited/Expired	(57,064	)	79.14
Outstanding at December 31, 2017	1,924,683		$	71.07	6.87	$	117,209,218
Vested and expected to vest at December 31, 2017	1,823,279		$	70.26	6.77	$	112,521,086
Exercisable at December 31, 2017	898,003		$	57.21	5.27	$	67,130,223

Schedule of Compensation Cost for Stock Options

Total compensation cost for stock options is recorded in the Consolidated Statements of Operations as follows:

	Years Ended December 31,
	2017			2016			2015
	(In thousands)
Cost of goods sold	$	428		$	427		$	543
Selling, general and administrative expenses	7,347			6,561			6,488
Total expense before income taxes	7,775			6,988			7,031
Income tax benefit	(2,485		)	(2,213		)	(2,208		)
Total expense after income taxes	$	5,290		$	4,775		$	4,823

Schedule of Restricted Stock Activity

A summary of the Company’s restricted stock activity as of December 31, 2017, and changes during the year ending December 31, 2017 is as follows:

Restricted Stock	Shares		Weighted-Average Grant Date Fair Value
Unvested at January 1, 2017	217,898		$	76.19
Granted	59,315		93.75
Vested	(82,420	)	72.42
Forfeited	(12,770	)	79.80
Unvested at December 31, 2017	182,023		$	83.37

Schedule of Compensation Cost for Restricted Stock

Total compensation cost for restricted stock is recorded in the Consolidated Statements of Operations as follows:

	Years Ended December 31,
	2017			2016			2015
	(In thousands)
Cost of goods sold	$	335		$	390		$	341
Selling, general and administrative expenses	4,772			4,401			5,213
Total expense before income taxes	5,107			4,791			5,554
Income tax benefit	(1,654		)	(1,410		)	(1,604		)
Total expense after income taxes	$	3,453		$	3,381		$	3,950

Schedule of Unvested Cash-settled Restricted Stock Activity

A summary of the Company’s unvested cash-settled restricted stock activity as of December 31, 2017, and changes during the year ending December 31, 2017 is as follows:

Cash-Settled Restricted Stock	Shares		Weighted-Average Fair Value
Unvested at January 1, 2017	103,790		$	90.06
Granted	34,530		93.92
Vested	(27,050	)	92.44
Forfeited	(16,540	)	122.31
Unvested at December 31, 2017	94,730		$	131.97

Schedule of Compensation Cost for Unvested Cash-settled Restricted Stock

Total compensation cost for cash-settled restricted stock is recorded in the Consolidated Statements of Operations as follows:

	Years Ended December 31,
	2017			2016			2015
	(In thousands)
Cost of goods sold	$	1,357		$	764		$	753
Selling, general and administrative expenses	3,241			2,224			1,765
Total expense before income taxes	4,598			2,988			2,518
Income tax benefit	(808		)	(419		)	(355		)
Total expense after income taxes	$	3,790		$	2,569		$	2,163

Schedule of Weighted Average Performance Share Units Fair Values and Assumptions

Weighted average performance share unit fair values and assumptions for the period specified are as follows:

	Years Ended December 31,
	2017	2016	2015
Weighted average fair value of grants	$115.74	$111.42	$95.07
Dividend yield	—%	—%	—%
Volatility	17.36%	17.99%	19.14%
Risk-free interest rate	1.45%	0.89%	1.01%
Expected life (in years)	2.85	2.86	2.86

Schedule of Performance Shares Units Activity

A summary of the Company’s performance share unit activity as of December 31, 2017, and changes during the year ending December 31, 2017, is as follows:

Performance Share Units	Shares		Weighted-Average Grant Date Fair Value
Unvested at January 1, 2017	137,055		$	104.18
Granted	65,530		115.74
Vested	(62,755	)	95.81
Forfeited	(2,960	)	109.75
Unvested at December 31, 2017	136,870		$	113.81

Performance Shares Units

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Total compensation cost for performance share units is as follows:

	Years Ended December 31,
	2017			2016			2015
	(In thousands)
Cost of goods sold	$	—		$	—		$	—
Selling, general and administrative expenses	6,925			5,559			4,946
Total expense before income taxes	6,925			5,559			4,946
Income tax benefit	(2,342		)	(1,859		)	(1,670		)
Total expense after income taxes	$	4,583		$	3,700		$	3,276