CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock Issued	Common Stock Treasury	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balances at Dec. 31, 2014	$ 351,910	$ 140,444	$ (749,815)	$ 165,666	$ 1,283,549	$ (532,256)	$ 44,322
Increase (Decrease) in Stockholders' Equity
Net income (loss)	15,829				15,264		565
Cash dividends declared:
Common	(16,348)				(16,348)
Total other comprehensive income (loss), net of deferred income taxes of $(4,920) and $(6,259) in 2016 and 2015, respectively	4,017					4,781	(764)
Contributions from noncontrolling interests	2,100						2,100
Vesting of restricted stock units and other stock grants, net 23,962 shares in 2015	(228)	45	(192)	(81)
Treasury shares repurchased, 596,632 shares in 2015	10,220		10,220
Amortization of unearned portion of stock-based compensation, net of forfeitures	761			761
Balances at Mar. 31, 2015	347,821	140,489	(760,227)	166,346	1,282,465	(527,475)	46,223
Balances at Dec. 31, 2015	310,803	140,503	(760,299)	170,699	1,236,355	(515,688)	39,233
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(9,592)				(10,869)		1,277
Cash dividends declared:
Total other comprehensive income (loss), net of deferred income taxes of $(4,920) and $(6,259) in 2016 and 2015, respectively	19,647					19,376	271
Amortization of unearned portion of stock-based compensation, net of forfeitures	1,475			1,475
Balances at Mar. 31, 2016	$ 322,333	$ 140,503	$ (760,299)	$ 172,174	$ 1,225,486	$ (496,312)	$ 40,781