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Other Current Assets Schedule of Other Current Assets (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Assets, Current [Abstract]    
Notes receivable, net of allowances $ 7,287 $ 12,816
Prepaid expenses 14,329 13,746
Other current assets 3,201 3,148
Total $ 24,817 $ 29,710