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Guarantees And Contingencies (Details) (USD $)
Sep. 30, 2011
Guarantees And Contingencies [Abstract] 
Total long-term debt obligations$ 359,205,000
Long-term debt obligations due within one year68,343,000
Long-term debt obligations due in second and third years290,862,000
Total operating lease obligations155,236,000[1]
Operating lease obligations due within one year22,347,000[1]
Operating lease obligations due in second and third years49,641,000[1]
Operating lease obligations due in fourth and fifth years33,302,000[1]
Operating lease obligations due after fifth year49,946,000[1]
Total purchase obligations2,068,000
Purchase obligations due within one year1,270,000
Purchase obligations due in second and third years783,000
Purchase obligations due in fourth and fifth years15,000
Total obligations516,509,000
Total obligations due within one year91,960,000
Total obligations due in second and third years341,286,000
Total obligations due in fourth and fifth years33,317,000
Total obligations due after fifth year49,946,000
Non-cancelable sublease income$ 4,300,000
[1]Net of $4.3 million of sublease income to be received from properties which we have subleased to other parties.