FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands	Sep. 30, 2011 Fair Value on Recurring Basis Fair Value	Jun. 30, 2011 Fair Value on Recurring Basis Fair Value	Sep. 30, 2011 Fair Value on Recurring Basis Fair Value Roosters	Sep. 30, 2011 Fair Value on Recurring Basis Fair Value Provalliance	Jun. 30, 2011 Fair Value on Recurring Basis Fair Value Provalliance	Sep. 30, 2011 Fair Value on Recurring Basis Level 2	Jun. 30, 2011 Fair Value on Recurring Basis Level 2	Sep. 30, 2011 Fair Value on Recurring Basis Level 3 Roosters	Sep. 30, 2011 Fair Value on Recurring Basis Level 3 Provalliance	Jun. 30, 2011 Fair Value on Recurring Basis Level 3 Provalliance	Jul. 02, 2011 Roosters	Sep. 30, 2011 Provalliance	Jun. 30, 2011 Provalliance
Non-current assets
Derivative instruments	$ 123	$ 212				$ 123	$ 212
Equity call option			117					117			100
Current liabilities
Derivative instruments	212	599				212	599
Non-current liabilities
Equity put option			$ 161	$ 21,124	$ 22,700			$ 161	$ 21,124	$ 22,700	$ 200	$ 21,124	$ 22,700