Debt (Tables)

9 Months Ended

Sep. 30, 2012

Debt Disclosure [Abstract]

Outstanding Debt Balances

Outstanding debt balances were as follows:

	September 30, 2012		December 31, 2011
Notes payable:
Uncommitted lines of credit	$	74,784	$	21,572
Other	216		150
	$	75,000	$	21,722
Long-term debt:
Credit facility	$	333,000	$	291,000
Senior notes	300,000		300,000
Industrial development revenue bonds	11,900		11,900
Other	2,963		3,254
	$	647,863	$	606,154