Long-Term Debt (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Maturities
2014 (nine months)	$ 6,302
2015	6,735
2016	3,386
2017	2,108
2018	546,752
Thereafter	225,253
Total long-term debt	790,536
Revolving Credit Facility
Maturities
2018	520,500
Total long-term debt	520,500
Senior Notes
Maturities
2018	25,000
Thereafter	225,000
Total long-term debt	250,000
Other notes payable
Maturities
2014 (nine months)	6,302
2015	6,735
2016	3,386
2017	2,108
2018	1,252
Thereafter	253
Total long-term debt	$ 20,036

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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