Debt (Tables)

3 Months Ended

Mar. 31, 2012

Debt Disclosure [Abstract]

Outstanding Debt Balances

Outstanding debt balances were as follows:

	March 31, 2012		December 31, 2011
Notes payable:
Uncommitted lines of credit	$	39,281	$	21,572
Other	144		150
	$	39,425	$	21,722
Long-term debt:
Credit facility	$	303,000	$	291,000
Senior notes	300,000		300,000
Industrial development revenue bonds	11,900		11,900
Other	3,195		3,254
	$	618,095	$	606,154