Shareholders' Equity and Stock-Based Compensation (Tables)

12 Months Ended

Dec. 28, 2017

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 2017, fiscal 2016, the Transition Period and fiscal 2015:

	Year Ended December 28, 2017		Year Ended December 29, 2016		31 Weeks Ended December 31, 2015		Year Ended May 28, 2015
Risk-free interest rate		2.08 – 2.20%		1.07 – 1.64%		1.30 – 2.13%		1.31 – 2.32%
Dividend yield		2.10%		2.29%		2.26%		2.5%
Volatility		34 – 43%		29 – 48%		36 – 48%		37 – 49%
Expected life		7 – 8 years		4 – 9 years		4 – 9 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 28, 2017				December 29, 2016				December 31, 2015				May 28, 2015
			Weighted-				Weighted-				Weighted-				Weighted
			Average				Average				Average				Average
			Exercise				Exercise				Exercise				Exercise
	Options		Price		Options		Price		Options		Price		Options		Price
	(options in thousands)
Outstanding at beginning of period		1,563	$	15.94		1,707	$	15.71		1,526	$	14.75		1,566	$	14.06
Granted		273		31.08		185		19.45		284		20.22		276		18.35
Exercised		(133)		17.04		(245)		16.23		(68)		12.69		(215)		13.81
Forfeited		(74)		22.37		(84)		18.21		(35)		16.25		(101)		15.87
Outstanding at end of period		1,629		18.08		1,563		15.94		1,707		15.71		1,526		14.75
Exercisable at end of period		988	$	14.69		904	$	14.28		961	$	14.57		840	$	14.90
Weighted-average fair value of  options granted during the period			$	10.54			$	5.94			$	6.57			$	5.98

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

	Exercise Price Range
	$10.00 to $13.12		$13.13 to $18.34		$18.35 to $31.55
	(options in thousands)
Options outstanding		526		454		649
Weighted-average exercise price of options outstanding	$	12.13	$	16.24	$	24.19
Weighted-average remaining contractual life of options outstanding		4.2		3.5		8.3
Options exercisable		489		371		128
Weighted-average exercise price of options exercisable	$	12.06	$	15.79	$	21.49

Schedule of Nonvested Share Activity

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

	December 28, 2017				December 29, 2016				December 31, 2015				May 28, 2015
			Weighted-				Weighted-				Weighted-				Weighted
			Average				Average				Average				Average
			Fair				Fair				Fair				Fair
	Shares		Value		Shares		Value		Shares		Value		Shares		Value
	(options in thousands)
Outstanding at beginning of period		143	$	19.30		134	$	16.54		114	$	15.39		98	$	13.61
Granted		37		29.12		36		24.54		34		19.24		30		19.38
Vested		(36)		18.78		(25)		12.13		(14)		12.55		(14)		11.72
Forfeited		(7)		22.86		(2)		18.72		–		–		–		–
Outstanding at end of period		137		21.94		143		19.30		134		16.54		114		15.39