CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock Issued	Common Stock Treasury	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balances at Dec. 31, 2012	$ 861,624	$ 140,080	$ (745,205)	$ 152,645	$ 1,675,490	$ (411,168)	$ 49,782
Increase (Decrease) in Stockholders' Equity
Net income	9,072				7,245		1,827
Cash dividends declared:
Common @ $0.205 per share	(16,551)				(16,551)
Noncontrolling interests	(755)						(755)
Other comprehensive income, net of deferred income taxes of $(118) and $4,522 in 2014 and 2013, respectively	18,056					18,234	(178)
Contributions from noncontrolling interests	857						857
Purchase of subsidiary shares from noncontrolling interest	(185)			(292)			107
Stock options exercised, 12,000 shares in 2013	238	15		223
Vesting of restricted stock units and other, net 39,941 shares and 60,176 shares in 2014 and 2013, respectively	1,342	116	(833)	2,059
Amortization of unearned portion of stock-based compensation, net of forfeitures	865			865
Balances at Mar. 31, 2013	874,563	140,211	(746,038)	155,500	1,666,184	(392,934)	51,640
Balances at Dec. 31, 2013	606,835	140,248	(746,237)	159,025	1,381,321	(370,615)	43,093
Increase (Decrease) in Stockholders' Equity
Net income	12,541				11,139		1,402
Cash dividends declared:
Common @ $0.205 per share	(16,572)				(16,572)
Noncontrolling interests	(133)						(133)
Other comprehensive income, net of deferred income taxes of $(118) and $4,522 in 2014 and 2013, respectively	(1,557)					(1,257)	(300)
Contributions from noncontrolling interests	1,560						1,560
Noncontrolling Interest, Decrease from Deconsolidation	(905)						(905)
Vesting of restricted stock units and other, net 39,941 shares and 60,176 shares in 2014 and 2013, respectively	1,057	79	(593)	1,571
Amortization of unearned portion of stock-based compensation, net of forfeitures	452			452
Balances at Mar. 31, 2014	$ 603,278	$ 140,327	$ (746,830)	$ 161,048	$ 1,375,888	$ (371,872)	$ 44,717