Debt Obligations (Details) (USD $) | Mar. 31, 2014 | Dec. 30, 2013 | Apr. 09, 2013 | Apr. 30, 2013 | Mar. 31, 2014 | Dec. 30, 2013 | Mar. 31, 2014 | Mar. 31, 2014 | Mar. 31, 2014 | Mar. 31, 2014 | Mar. 31, 2014 | Mar. 31, 2014 | Apr. 09, 2013 | Apr. 09, 2013 | Apr. 09, 2013 | Apr. 09, 2013 | Apr. 09, 2013 | Apr. 09, 2013 | Mar. 31, 2014 | Mar. 31, 2014 | Dec. 30, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 | Oct. 25, 2013 |
Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Revolving credit facility, expiring April 2018 | Letter of credit subfacility | $50.0 million term loan, due April 2018 | $50.0 million term loan, due April 2018 | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment | Amendment |
| | | | Period until December 29, 2013 | Period until December 29, 2013 | December 30, 2013 to June 29, 2014 | June 30, 2014 to December 28, 2014 | After December 28, 2014 | After December 29, 2013 | LIBOR | LIBOR | LIBOR | Base rate | Base rate | Base rate | | | | Period until June 29,2014 | June 30, 2014 to March 29, 2015 | March 30, 2015 to September 27, 2015 | March 30, 2015 to September 27, 2015 | September 28, 2015 to March 27, 2016 | September 28, 2015 to March 27, 2016 | March 28, 2016 to June 26, 2016 | June 27, 2016 to September 25, 2016 | September 26, 2016 and thereafter | September 26, 2016 and thereafter | Period until September 28, 2014 | September 29, 2014 to March 29, 2015 | March 28, 2016 to September 25, 2016 | LIBOR | LIBOR | LIBOR | Base rate | Base rate | Base rate |
| | | | Minimum | Maximum | Maximum | Maximum | Maximum | Minimum | | Minimum | Maximum | | Minimum | Maximum | | | | Maximum | Maximum | Minimum | Maximum | Minimum | Maximum | Maximum | Maximum | Minimum | Maximum | Minimum | Minimum | Minimum | | Minimum | Maximum | | Minimum | Maximum |
Debt obligations | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Total debt | $126,575,000 | $131,982,000 | ' | ' | $80,400,000 | $85,207,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $46,175,000 | $46,775,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Less current portion | 3,298,000 | 2,998,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Long-term debt obligations | 123,277,000 | 128,984,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Term loan amount | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 50,000,000 | 50,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Upsizing of existing credit facility | ' | ' | 50,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Variable rate basis | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 'LIBOR | ' | ' | 'base rate | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 'LIBOR | ' | ' | 'base rate | ' | ' |
Applicable margin (as a percent) | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 3.50% | 1.25% | 4.25% | 2.50% | 0.25% | 3.25% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 4.50% | 1.75% | 4.50% | 3.50% | 0.75% | 3.50% |
Commitment fee (as a percent) | ' | ' | 0.50% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Write-off of debt issuance costs | ' | ' | ' | 500,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Unamortized debt issuance costs | ' | ' | ' | ' | 1,500,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Leverage ratio | ' | ' | ' | ' | ' | ' | ' | 5.5 | 5.25 | 5 | 4.75 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 6.25 | 6 | ' | 5.75 | ' | 5.5 | 5.25 | 5 | ' | 4.75 | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fixed charge ratio | ' | ' | ' | ' | ' | ' | 1.35 | ' | ' | ' | ' | 1.5 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 1.35 | ' | 1.4 | ' | ' | ' | 1.5 | ' | 1.25 | 1.3 | 1.45 | ' | ' | ' | ' | ' | ' |
Weighted average interest rate (as a percent) | ' | ' | ' | ' | 4.90% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Amount outstanding | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 6,500,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Available borrowing capacity | ' | ' | ' | ' | $13,100,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |