CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Grantor Stock Trust	Treasury Stock	Non-controlling Interest
Beginning balance at Dec. 31, 2010	$ 686,879	$ 14	$ 663	$ 264,235	$ 432,977	$ 13,564	$ (2,351)	$ (24,835)	$ 2,612
Beginning balance (in shares) at Dec. 31, 2010		1,400,000	66,317,000					(1,911,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Tax deficit from exercise of stock options and compensatory stock	(83)			(83)
Acquisition of treasury stock (in shares)								(227,000)
Acquisition of treasury stock	(1,587)							(1,587)
Issuance of treasury stock (in shares)								394,000
Compensatory stock and stock options (in shares)			24,000
Compensatory stock and stock options	9,570			2,889			1,655	5,026
Employee stock purchase plan (in shares)								290,000
Employee stock purchase plan	2,195			(2,035)			634	3,596
Stock dividends				123	(123)
Cash dividends	(13,093)				(13,093)
Adjustment of grantor stock trust shares to market				(62)			62
Equity adjustment from foreign currency translation	507					507
Change in non-controlling interest	(341)								(341)
Net loss	(171,233)				(171,820)				587
Ending balance at Dec. 31, 2011	512,814	14	663	265,067	247,941	14,071		(17,800)	2,858
Ending balance (in shares) at Dec. 31, 2011		1,400,000	66,341,000					(1,454,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred stock to convertible note exchange (in shares)		(632,000)
Preferred stock to convertible note exchange	(60,078)	(6)		(60,072)
Preferred stock to common stock exchange		(4)	59	(55)
Preferred stock to common stock exchange (in shares)		(350,000)	5,867,000
Acquisition of treasury stock (in shares)								(122,000)
Acquisition of treasury stock	(783)							(783)
Issuance of treasury stock (in shares)								309,000
Issuance of treasury stock	19			(3,716)				3,735
Compensatory stock and stock options (in shares)			56,000
Compensatory stock and stock options	3,142		1	3,141
Stock dividends				145	(145)
Cash dividends	(11,019)				(11,019)
Equity adjustment from foreign currency translation	699					699
Change in non-controlling interest	(399)								(399)
Net loss	(122,687)				(122,946)				259
Ending balance at Dec. 31, 2012	321,708	4	723	204,510	113,831	14,770		(14,848)	2,718
Ending balance (in shares) at Dec. 31, 2012		418,000	72,264,000					(1,267,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	216,000							216,000
Exercise of stock options	1,652			(820)				2,472
Tax deficit from exercise of stock options and compensatory stock	(2)			(2)
Preferred stock to common stock exchange		(4)	59	(55)
Preferred stock to common stock exchange (in shares)		(417,000)	5,920,000
Redemption of preferred stock (in shares)		(1,000)
Redemption of preferred stock	(30)			(30)
Equity issuance costs	(341)			(341)
Acquisition of treasury stock (in shares)								(56,000)
Acquisition of treasury stock	(364)							(364)
Issuance of treasury stock (in shares)								140,000
Issuance of treasury stock	0			(1,649)				1,649
Compensatory stock and stock options (in shares)			56,000
Compensatory stock and stock options	3,533			3,533
Stock dividends (in shares)			75,000
Stock dividends			1	566	(567)
Cash dividends	(5,599)				(5,599)
Equity adjustment from foreign currency translation	(2,593)					(2,593)
Change in non-controlling interest	(2,718)								(2,718)
Deconsolidation of subsidiaries	(11,706)				(11,706)
Net loss	(18,921)				(18,921)
Ending balance at Dec. 31, 2013	$ 284,619	$ 0	$ 783	$ 205,712	$ 77,038	$ 12,177		$ (11,091)	$ 0
Ending balance (in shares) at Dec. 31, 2013		0	78,315,000					(967,000)