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 loss	14,108				13,183		925
Cash dividends declared:
Common @ $0.615 per share	(49,247)				(49,247)
Noncontrolling interests	(1,559)						(1,559)
Total other comprehensive income (loss), net of deferred income taxes of $(29,005) and $(5,529) in 2016 and 2015, respectively	(36,842)					(34,647)	(2,195)
Contributions from noncontrolling interests	2,100						2,100
Purchase of subsidiary shares from noncontrolling interest	(398)			(3)			(395)
Sale of investment in consolidated subsidiary	200						200
Vesting of restricted stock units and other stock grants, net 80,598 shares and net 31,147 shares in 2016 and 2015, respectively	(304)	59	(264)	(99)
Treasury shares repurchased, 596,632 shares in 2015	(10,220)		(10,220)
Amortization of unearned portion of stock-based compensation, net of forfeitures	3,545			3,545
Balances at Sep. 30, 2015	273,293	140,503	(760,299)	169,109	1,247,485	(566,903)	43,398
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 loss	(65,437)				(70,029)		4,592
Cash dividends declared:
Noncontrolling interests	(1,702)						(1,702)
Total other comprehensive income (loss), net of deferred income taxes of $(29,005) and $(5,529) in 2016 and 2015, respectively	48,916					49,329	(413)
Purchase of subsidiary shares from noncontrolling interest	(4,731)			(5,128)			397
Vesting of restricted stock units and other stock grants, net 80,598 shares and net 31,147 shares in 2016 and 2015, respectively	(565)	122	(92)	(595)
Amortization of unearned portion of stock-based compensation, net of forfeitures	5,740			5,740
Balances at Sep. 30, 2016	$ 293,024	$ 140,625	$ (760,391)	$ 170,716	$ 1,166,326	$ (466,359)	$ 42,107