Related-Party Transactions (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended	12 Months Ended			3 Months Ended
	Dec. 05, 2013	Dec. 31, 2013	Dec. 30, 2014	Dec. 31, 2013	Jan. 01, 2013	Jul. 02, 2013
Follow On [Member]
Related Party Transaction [Line Items]
Issuance of common stock, net of transaction expenses, shares	108,267	108,267
Catterton [Member]
Related Party Transaction [Line Items]
Minimum ownership percentage			35.00%
Class B Common Stock [Member] | Equity Sponsors [Member]
Related Party Transaction [Line Items]
Percentage of stock held			25.00%
Class A and Class B Common Stock [Member] | Equity Sponsors [Member] | Minimum [Member]
Related Party Transaction [Line Items]
Percentage of stock held			10.00%
Class A and Class B Common Stock [Member] | Equity Sponsors [Member] | Maximum [Member]
Related Party Transaction [Line Items]
Percentage of stock held			20.00%
Management Services Fees [Member] | Equity Sponsors [Member]
Related Party Transaction [Line Items]
Amount paid to related party				$ 375	$ 1,100
Bonuses and Payroll Taxes [Member] | Equity Sponsors [Member] | IPO [Member]
Related Party Transaction [Line Items]
Amount paid to related party						800
Bonuses and Payroll Taxes [Member] | Employees [Member] | IPO [Member]
Related Party Transaction [Line Items]
Amount paid to related party						$ 1,700