Debt (Tables)

6 Months Ended

Jun. 30, 2011

Debt [Abstract]

Corporation's long-term debt

	June 30,		December 31,
	2011		2010
(In thousands)
Senior credit facility(a)	$	325,000	$	325,000
Unsecured notes:
5.625% Senior Notes due 2021(b)		248,438		248,301
Other, including capital leases		953		1,111
Long-term debt (including current maturities)		574,391		574,412
Less current maturities		331		322
Long-term debt, net of current maturities	$	574,060	$	574,090

(a)	Interest is paid monthly.
(b)	Interest is paid semi-annually.