Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Accrual For Onerous Contracts (Summary Of Undiscounted Contracted Minimum Lease Payments) (Details)

v2.4.0.6
Accrual For Onerous Contracts (Summary Of Undiscounted Contracted Minimum Lease Payments) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Accrual For Onerous Contracts [Abstract]  
Head lease payments 2012 $ 11,822
Head lease payments 2013   
Head lease payments 11,822
Sublease receipts 2012 7,550
Sublease receipts 2013 510
Sublease receipts $ 8,060