Debt - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended | 0 Months Ended | 1 Months Ended | 0 Months Ended | |
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Feb. 15, 2013 | Nov. 30, 2011 | Jul. 17, 2014 | Jun. 30, 2014 |
Debt Instrument [Line Items] | | | | | | | | |
Adjusted EBITDA | | | $5,000,000 | | | | | |
Minimum level of liquidity | 20,000,000 | | 20,000,000 | | | | | |
Upfront arrangement fees incurred in connection with the credit facility | | | 300,000 | | | | | |
Amortization of principal amount of term loan | 35,000,000 | | 35,000,000 | | | | | |
Acquisition of businesses | 0 | 0 | 0 | 0 | | | | |
Credit agreement with a financial institution that is used as collateral for fidelity bonds placed with an insurance company | 400,000 | | 400,000 | | | | | |
Credit agreement with a financial institution that is used as collateral for the Company's corporate headquarters' operating lease | 500,000 | | 500,000 | | | | | |
Letters of credit automatically renew annually without amendment on the annual expiration date | | | 30 days | | | | | |
LIBOR rate plus [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | 1.00% | | | | | |
Period between September 30, 2015 and June 30, 2016 [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Minimum fixed charge coverage ratio | 1 | | 1 | | | | | |
Period beginning July 1, 2016 and thereafter [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Minimum fixed charge coverage ratio | 1.15 | | 1.15 | | | | | |
Period between April 1, 2014 and June 30, 2015 [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Minimum EBITDA | 1 | | 1 | | | | | |
Period between July 1, 2015 and September 30, 2015 [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Minimum EBITDA | 3,400,000 | | 3,400,000 | | | | | |
Period between October 1, 2015 and December 31, 2015 [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Minimum EBITDA | 3,200,000 | | 3,200,000 | | | | | |
Interest rate swap [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Derivative notional amount outstanding in the swap agreement | 85,000,000 | | 85,000,000 | | | | | |
Interest rate swap effectively fixes the Eurodollar rate | 0.97% | | 0.97% | | | | | |
Effective date of swap | | | 9-Apr-12 | | | | | |
Derivative maturity date | | | 4-Nov-16 | | | | | |
Notional amount outstanding in the swap agreement | 70,000,000 | | 70,000,000 | | | | | |
Fair value of the interest rate swap net liability | 400,000 | | 400,000 | | | | | |
Effective portion of the interest rate swap | | | 400,000 | | | | | |
Maximum [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Extraordinary or non-recurring cash expenses included in adjusted EBITDA | | | | | 5,000,000 | | | |
Term loan [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Term Loan, total | | | | | | 100,000,000 | | |
Percentage of amortization with principal of credit facility year one | | | | | | 5.00% | | |
Percentage of amortization with principal of credit facility year two | | | | | | 10.00% | | |
Percentage of amortization with principal of credit facility year three | | | | | | 15.00% | | |
Percentage of amortization with principal of credit facility year four | | | | | | 20.00% | | |
Percentage of amortization with principal of credit facility year five | | | | | | 50.00% | | |
Outstanding amount | 70,000,000 | | 70,000,000 | | | | | 77,500,000 |
Term loan [Member] | Base rate plus [Member] | Second Amended Agreement [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | | | | | 1.75% | |
Term loan [Member] | Eurodollar rate plus [Member] | Second Amended Agreement [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | | | | | 2.75% | |
Term loan [Member] | Maximum [Member] | Base rate plus [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | 1.75% | | | | | |
Term loan [Member] | Maximum [Member] | Eurodollar rate plus [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | 2.75% | | | | | |
Term loan [Member] | Minimum [Member] | Base rate plus [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | 1.00% | | | | | |
Term loan [Member] | Minimum [Member] | Eurodollar rate plus [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | 2.00% | | | | | |
Revolving credit facility [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Revolving credit facility, total | | | | | 100,000,000 | 200,000,000 | | |
Period for credit facility | | | | | | 5 years | | |
Revolving line of credit facility, current | | | | | 100,000,000 | | 50,000,000 | |
Revolving credit line requires an annual facility fee | | | 0.38% | | | | | |
Outstanding amount | 0 | | 0 | | | | | 0 |
Revolving credit facility [Member] | Base rate plus [Member] | Second Amended Agreement [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | | | | | 1.38% | |
Revolving credit facility [Member] | Eurodollar rate plus [Member] | Second Amended Agreement [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | | | | | 2.38% | |
Revolving credit facility [Member] | Maximum [Member] | Base rate plus [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | 1.38% | | | | | |
Revolving credit facility [Member] | Maximum [Member] | Eurodollar rate plus [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | 2.38% | | | | | |
Revolving credit facility [Member] | Minimum [Member] | Base rate plus [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | 0.63% | | | | | |
Revolving credit facility [Member] | Minimum [Member] | Eurodollar rate plus [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | 1.63% | | | | | |
First Amendment [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Loan Amendment date | | | 15-Feb-13 | | | | | |
Second Amendment [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Loan Amendment date | | | 17-Jul-14 | | | | | |
Upfront arrangement fees incurred in connection with the credit facility | | | 300,000 | | | | | |
Federal funds effective rate [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Interest rate dependent upon the ratio of funded debt to adjusted EBITDA | | | 1.00% | | | | | |
Promissory Notes [Member] | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | |
Outstanding amount | $100,000 | | $100,000 | | | | | $600,000 |