Lease Arrangements (Tables)

12 Months Ended

Dec. 31, 2012

Lease Arrangements

Schedule of future minimum lease payments under capital leases, together with the minimum lease payments required under operating leases

	Capital		Operating
Year Ending December 31:	Leases		Leases
2013	$	6,287	$	59,837
2014	3,147		46,964
2015	3,146		38,134
2016	3,127		24,063
2017	3,089		14,401
Thereafter	—		14,456
Total minimum lease payments	18,796		$	197,855
Less amounts representing interest	1,112
Present value of minimum lease payments	17,684
Less current maturities	6,052
Total long-term obligations under capital leases	$	11,632