Equity-Based compensation (Tables)

6 Months Ended

Jun. 28, 2015

Equity-Based Compensation

Summary of Equity-Based Compensation Expense

	Three Months Ended				Six Months Ended
($ in thousands)	June 28, 2015		June 29, 2014		June 28, 2015		June 29, 2014
Service-Based RSUs	$	400	$	210	$	949	$	683
Performance-Based RSUs		251		99		771		273
Market-Based RSUs		191		91		642		223
Total	$	842	$	400	$	2,362	$	1,179
Income tax benefit	$	317	$	153	$	888	$	450

Schedule of Unrecognized Equity-Based Compensation Expense

	Unrecognized
	compensation		Weighted-
	expense at		average
($ in thousands)	June 28, 2015		period
Service-Based RSUs	$	1,886	1.2	years
Performance-Based RSUs		1,656	1.4	years
Market-Based RSUs		988	1.3	years
Total	$	4,530

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	—	—	—	—
RSUs outstanding	78,947	248,389	129,025	—
Options exercisable	—	—	—	—
Awards available for grant	1,352,075	1,617,062	106,423	—

Summary of Changes of Stock Options

	Six Months Ended
	June 28, 2015
		Weighted
		Average
		Exercise
	Options	Price
Outstanding at beginning of year	5,200	$	12.35
Exercised	(5,200)	$	12.35
Outstanding at end of period	—	$	—
Exercisable at end of period	—	$	—

Summary of Service-Based Restricted Stock Units

	Six Months Ended
	June 28, 2015
		Weighted
		Average
		Grant Date
	Units	Fair Value
Outstanding at January 1, 2015	517,965	$	12.06
Granted	114,025		16.93
Converted	(163,633)		12.34
Forfeited	(11,996)		16.78
Outstanding at June 28, 2015	456,361	$	13.05

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	30,993	2018	Sales growth	—
February 13, 2015	26,565	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	30,993	2018	23	—