Share-based Payment Arrangements (Tables)

9 Months Ended

Sep. 30, 2017

Amounts Recognized in Financial Statements with Respect to Plans

Amounts recognized in the financial statements with respect to these Plans are as follows (in thousands):

	Thirty Nine Weeks Ended						Thirteen Weeks Ended
	September 30, 2017			September 24, 2016			September 30, 2017			September 24, 2016
Total cost of the Plans during the period	$	3,660		$	2,718		$	1,423		$	652
Amount of related income tax benefit recognized during the period		(2,492	)		(1,128	)		(678	)		(292	)
Net cost of the Plans during the period	$	1,168		$	1,590		$	745		$	360

Summary of Information Regarding Stock Options

The following table summarizes information regarding the Company’s outstanding stock options under the Plans:

	Number of Options			Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (000s)
Options outstanding at December 31, 2016		372,561		$	48.24
Exercised		(134,461	)	$	46.38
Forfeited		(1,200	)	$	55.67
Options outstanding at September 30, 2017		236,900		$	49.25		4.0	$	11,940
Options exercisable at September 30, 2017		217,000		$	48.59		3.9	$	11,081

Restricted Stock Units (RSUs)

Schedule of Information on Restricted Stock Units

The following table summarizes information regarding the Company’s outstanding restricted stock unit (“RSU”) awards with either a performance condition or a market condition under the Plans:

	Number of RSUs			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2016		378,238		$	50.46
Granted		67,769		$	76.85
Forfeited		(58,779	)	$	46.00
Outstanding at September 30, 2017		387,228		$	55.75

Non Vested Restricted Stock and Deferred Stock Units

Schedule of Information on Non-Vested Restricted Stock and Deferred Stock Units

The following table summarizes information regarding the Company’s outstanding shares of non-vested restricted stock and Deferred Stock Units (defined below) under the Plans:

	Number of Shares and Deferred Stock Units			Weighted Average Grant Date Fair Value
Non-vested at December 31, 2016		28,409		$	58.91
Granted		42,123		$	84.26
Vested		(16,227	)	$	61.50
Non-vested at September 30, 2017		54,305		$	77.80