Debt (Tables)

9 Months Ended

Sep. 30, 2013

Debt Disclosure [Abstract]

Outstanding Debt Balances

Outstanding debt balances were as follows:

	September 30, 2013		December 31, 2012
Notes payable:
Uncommitted lines of credit	$	26,103	$	33,916
Other	670		296
	$	26,773	$	34,212
Long-term debt:
Credit facility	$	320,007	$	300,000
Senior notes	225,000		300,000
Industrial development revenue bonds	11,900		11,900
Other	4,688		5,634
	$	561,595	$	617,534