Debt (Tables)

6 Months Ended

Jun. 30, 2012

Debt Disclosure [Abstract]

Outstanding Debt Balances

Outstanding debt balances were as follows:

	June 30, 2012		December 31, 2011
Notes payable:
Uncommitted lines of credit	$	61,538	$	21,572
Other	179		150
	$	61,717	$	21,722
Long-term debt:
Credit facility	$	315,000	$	291,000
Senior notes	300,000		300,000
Industrial development revenue bonds	11,900		11,900
Other	3,137		3,254
	$	630,037	$	606,154