XML 19 R50.htm IDEA: XBRL DOCUMENT

Fair Value Measurements (Narrative) (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Fair Value Disclosures [Abstract]
Line of credit facility, amount outstanding	$ 0	$ 0
Carrying value of long-term debt	645,900,000	645,700,000
Estimated fair value of long-term debt	$ 695,500,000	$ 688,200,000

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References+ Details