|
Derivative Financial Instruments - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2012
|
Jun. 30, 2011
Agreement
|
|---|---|---|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||
| Number of interest rate swap agreements | 2 | |
| Notional amount of borrowings | $ 73.0 | |
| Interest rate derivatives fixed interest rate | 3.878% | |
| Fair value of the interest rate swap liability | $ 0.1 |
| X | ||||||||||
|
- Definition
Fixed interest rate related to the interest rate derivative. No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Number of interest rate derivative instruments held by the entity at the reporting date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|