Shareholders' Equity and Stock-Based Compensation (Tables)

12 Months Ended

Dec. 27, 2018

Stock Holders Equity And Share Based Compensation [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The Company estimated the fair value of stock options using the Black-Scholes option pricing model with the following assumptions used for awards granted during fiscal 2018, fiscal 2017 and fiscal 2016:

	Year Ended December 27, 2018	Year Ended December 28, 2017	Year Ended December 29, 2016
Risk-free interest rate	2.70 – 2.80%	2.08 – 2.20%	1.07 – 1.64%
Dividend yield	2.10%	2.10%	2.29%
Volatility	28 – 33%	34 – 43%	29 – 48%
Expected life	6 – 8 years	7 – 8 years	4 – 9 years

Schedule of Share-based Compensation, Stock Options, Activity

A summary of the Company’s stock option activity and related information follows:

	December 27, 2018					December 28, 2017					December 29, 2016
				Weighted-					Weighted-					Weighted-
				Average					Average					Average
				Exercise					Exercise					Exercise
	Options			Price		Options			Price		Options			Price
	(options in thousands)
Outstanding at beginning of period		1,629		$	18.08		1,563		$	15.94		1,707		$	15.71
Granted		336			27.59		273			31.08		185			19.45
Exercised		(478	)		14.74		(133	)		17.04		(245	)		16.23
Forfeited		(37	)		23.35		(74	)		22.37		(84	)		18.21
Outstanding at end of period		1,450			21.25		1,629			18.08		1,563			15.94
Exercisable at end of period		699		$	15.87		988		$	14.69		904		$	14.28
Weighted-average fair value of options granted during the period	$	7.87				$	10.54				$	5.94

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

	Exercise Price Range
	$10.00 to $18.34		$18.35 to $26.99		$27.00 to $41.35
	(options in thousands)
Options outstanding		543		337		570
Weighted-average exercise price of options outstanding	$	14.01	$	19.62	$	29.11
Weighted-average remaining contractual life of options outstanding		3.8		6.8		8.8
Options exercisable		504		166		29
Weighted-average exercise price of options exercisable	$	13.68	$	19.76	$	31.93

Schedule of Nonvested Share Activity

A summary of the Company’s non-vested stock activity and related information follows:

	December 27, 2018					December 28, 2017					December 29, 2016
				Weighted-					Weighted-					Weighted-
				Average					Average					Average
				Fair					Fair					Fair
	Shares			Value		Shares			Value		Shares			Value
	(options in thousands)
Outstanding at beginning of period		137		$	21.94		143		$	19.30		134		$	16.54
Granted		52			29.02		37			29.12		36			24.54
Vested		(31	)		16.41		(36	)		18.78		(25	)		12.13
Forfeited		–			–		(7	)		22.86		(2	)		18.72
Outstanding at end of period		158			18.98		137			21.94		143			19.30