Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2011

Leases [Abstract]

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

The following summarizes future minimum lease obligations under non-cancelable operating leases at December 31, 2011.

For the Year Ending December 31,	Amount
2012	$	17,403
2013	11,502
2014	7,722
2015	4,456
2016	3,559
Thereafter	12,405
Total	$	57,047