Equity-Based compensation (Tables)

3 Months Ended

Mar. 29, 2015

Equity-Based Compensation

Summary of Equity-Based Compensation Expense

	Three Months Ended
($ in thousands)	March 29, 2015		March 30, 2014
Service-Based RSUs	$	549	$	473
Performance-Based RSUs		520		174
Market-Based RSUs		451		132
Total	$	1,520	$	779
Income tax benefit	$	571	$	298

Schedule of Unrecognized Equity-Based Compensation Expense

	Unrecognized
	compensation		Weighted-
	expense at		average
($ in thousands)	March 29, 2015		period
Service-Based RSUs	$	2,479	1.3	years
Performance-Based RSUs		1,975	1.6	years
Market-Based RSUs		1,214	1.4	years
Total	$	5,668

Summary of Status of Equity-Based Compensation Plans

	2014 Plan	2009 Plan	2004 Plan	2001 Plan
Awards originally available	1,500,000	3,400,000	6,500,000	2,000,000
Stock options outstanding	—	—	5,200	—
RSUs outstanding	144,025	281,687	101,223	—
Options exercisable	—	—	5,200	—
Awards available for grant	1,343,675	1,616,597	106,423	—

Summary of Changes of Stock Options

	Three Months Ended
	March 29, 2015
		Weighted
		Average
		Exercise
	Options	Price
Outstanding at beginning of year	5,200	$	12.35
Exercised	—	$	—
Expired	—	$	—
Forfeited	—	$	—
Outstanding at end of period	5,200	$	12.35
Exercisable at end of period	5,200	$	12.35

Summary of Intrinsic Value and Weighted Average Remaining Contractul Life of Stock Options

	Three Months Ended
	March 29, 2015
Weighted average remaining contractual life		0.7	years
Aggregate intrinsic values of options outstanding and options exercisable	$	27,583

Summary of Service-Based Restricted Stock Units

	Three Months Ended
	March 29, 2015
		Weighted
		Average
		Grant Date
	Units	Fair Value
Outstanding at January 1, 2015	517,965	$	12.06
Granted	114,025		16.93
Converted	(104,424)		13.12
Forfeited	(631)		10.12
Outstanding at March 29, 2015	526,935	$	12.90

Schedule of Components of Performance-Based RSU's

	Target	Vesting	Vesting	Units
Grant Date	Units	Year	Dependency	Awarded
February 11, 2013	47,164	2016	Sales growth	—
February 11, 2013	40,425	2016	Cash flow	—
February 14, 2014	22,538	2017	Sales growth	—
February 14, 2014	19,319	2017	Cash flow	—
February 13, 2015	32,743	2018	Sales growth	—
February 13, 2015	28,065	2018	Cash flow	—

Schedule of Components of Market-Based RSU's

			Number of
	Target	Vesting	Peer Group	Units
Grant Date	Units	Year	Companies	Awarded
February 11, 2013	40,425	2016	20	—
February 11, 2013	48,750	2016	20	—
February 14, 2014	22,538	2017	15	—
February 13, 2015	32,743	2018	23	—