Long-Term Debt - Additional information (Detail) (USD $)	3 Months Ended	12 Months Ended						0 Months Ended				12 Months Ended				0 Months Ended
	Mar. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Oct. 18, 2013	Mar. 28, 2013	Dec. 31, 2013 Maximum	Mar. 28, 2013 LIBOR	Mar. 28, 2013 Alternate Base Rate	Mar. 28, 2013 Alternate Base Rate Federal Funds Rate	Dec. 31, 2013 Voluntary Principal Pre-Payments	Dec. 31, 2013 Senior Unsecured Notes	Dec. 31, 2013 Senior Secured Term Loan	Dec. 31, 2012 Senior Secured Term Loan	Dec. 31, 2013 Revolving Credit Facility	Dec. 23, 2013 Promissory Notes
Debt Instrument [Line Items]
Principal pre-payment amount											$ 30,000,000
Remaining borrowing capacity		58,400,000
Maximum borrowing capacity															60,000,000.0
Interest rate, reduction						0.50%
Interest rate floor, reduction						0.25%
Debt instrument, floor rate								1.00%	2.00%
Debt instrument, basis points								3.75%	2.75%	0.50%
Financing and legal costs	500,000
Minimum quarterly principal payment amounts													500,000.0	25,000,000
EBITDA adjusted		50,000,000.0
Maximum leverage ratio					0.75
Unused borrowing capacity		58,400,000
Outstanding standby letters of credit		1,600,000
Increase credit facility							75,000,000.0
Senior unsecured note												200,000,000.0
Stated interest rate												9.75%
Purchase price percent equal to principal amount plus accrued and unpaid interest												101.00%
Repayments of debt		33,024,000	26,478,000	1,276,000												3,000,000
Fair value debt		$ 223,000,000