Long-Term Debt (Components Of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Debt Disclosure [Abstract]
Revolving credit agreement	$ 231,500	$ 252,500
Senior Unsecured Notes	250,000	250,000
Senior Secured Notes	64,286	69,643
Other debt	20,056	21,149
Capitalized lease arrangements	11,159	10,850
Total	577,001	604,142
Less current portion	20,208	20,844
Long-term Debt	$ 556,793	$ 583,298