CONTINGENCIES - Condensed Balance Sheets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Assets Abstract
Current Assets	$ 76,340	$ 91,266
Property And Equipment - Net	43,882	44,439
Deferred Charges And Other Assets - Net	16,004	17,501
Assets	895,817	912,688
LIABILITIES AND SHAREHOLDERS' EQUITY
Liabilities Current	42,786	29,652
Liabilities Noncurrent	552,931	584,643
Liabilities, Total	595,717	614,295
Stockholders Equity Abstract
Common Stock Value	391	385
Additional Paid In Capital Common Stock	605,059	604,721
Retained Earnings Accumulated Deficit	(305,350)	(306,713)
Accumulated Other Comprehensive Income Loss Net Of Tax	0	0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	300,100	298,393	269,494
Liabilities And Stockholders Equity	$ 895,817	$ 912,688