Shareholders' Equity (Details) - USD ($)						3 Months Ended			6 Months Ended		12 Months Ended
	Jul. 11, 2016	May 06, 2016	Apr. 01, 2016	Dec. 28, 2015	Jun. 29, 2015	Jul. 01, 2016	Jul. 03, 2015	Apr. 03, 2015	Jul. 01, 2016	Jul. 03, 2015	Dec. 28, 2012	May 09, 2016	Jan. 01, 2016	Feb. 21, 2012
Equity, Class of Treasury Stock [Line Items]
Equity incentive compensation awards given up											50.00%
Additional stock repurchase authorized						$ 5,000,000
Stock repurchase authorized						127,200,000			$ 127,200,000
Repurchase of common stock		1,500,000
Purchase price per share		$ 14.77
Weighted average shares outstanding		4.00%						11.00%
Weighted average shares outstanding accretive on an annualized basis		$ 0.04						$ 0.03
Amount available under repurchase plan						$ 4,900,000			$ 4,900,000
Shares repurchased for employee net vesting obligations, shares						29,000	9,000		284,000	276,000
Shares repurchased for employee net vesting obligations, value						$ 400,000	$ 100,000		$ 3,800,000	$ 2,200,000
Dividend paid, per share			$ 0.26	$ 0.20	$ 0.12
Dividend paid, cash value				$ 3,200,000	$ 3,100,000
Chief Executive Officer [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock		697,000
Beneficial owners		11.80%
Chief Operating Officer [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock		732,000
Beneficial owners		4.90%
Chief Financial Officer [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock		73,000
Beneficial owners		0.90%
Stock Appreciation Rights (SARs) [Member]
Equity, Class of Treasury Stock [Line Items]
SARs exchanged											2,900,000
Exercise price											$ 4.00
Target achievement, pro forma Earnings per share											50.00%
Target achievement, pro forma EBITDA											50.00%
Target achievement, Term									6 years
SARs exercised									0
Stock Repurchase A [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock						1,700,000	74,000		2,000,000	149,000
Purchase price per share						$ 14.73	$ 9.51		$ 14.60	$ 9.10
Total cost						$ 25,400,000	$ 700,000		$ 29,600,000	$ 1,400,000
Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Dividend paid, per share	$ 0.13
Dividend paid, cash value	$ 4,000,000
Revolving line of credit facility [Member]
Equity, Class of Treasury Stock [Line Items]
Additional borrowing capacity												$ 25,000,000
Borrowing capacity under credit facility						25,000,000			25,000,000			45,000,000		$ 20,000,000
Credit facility amount outstanding						$ 22,000,000			$ 22,000,000			$ 0	$ 0
Term Loan [Member]
Equity, Class of Treasury Stock [Line Items]
Borrowing capacity under credit facility														$ 47,000,000