CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Beginning Balance (in Shares) at Dec. 31, 2018	327,308,000
Beginning Balance at Dec. 31, 2018	$ 327,308	$ 85,386	$ (71,078)	$ 370,292	$ 711,908
Net Income				152,582	152,582
Other comprehensive income, net of tax
Pension Settlement			45,990		45,990
Change in derivatives			(375)		(375)
Foreign currency translation adjustments			(1,283)		(1,283)
Cash dividends				(103,093)	(103,093)
Stock compensation	$ 395	10,496			10,891
Stock compensation (in Shares)	395,000
Employee stock buybacks	$ (261)	(9,674)			(9,935)
Employee stock buybacks (in Shares)	(261,000)
Ending Balance (in Shares) at Sep. 30, 2019	327,442,000
Ending Balance at Sep. 30, 2019	$ 327,442	86,208	(26,746)	419,993	806,897
Other comprehensive income, net of tax
Impact of adoption of ASC 326				212	212
Beginning Balance (in Shares) at Jun. 30, 2019	327,486,000
Beginning Balance at Jun. 30, 2019	$ 327,486	82,960	(68,508)	410,326	752,264
Net Income				44,061	44,061
Other comprehensive income, net of tax
Pension Settlement			45,990		45,990
Change in derivatives			(118)		(118)
Foreign currency translation adjustments			(4,110)		(4,110)
Cash dividends				(34,394)	(34,394)
Stock compensation	$ (42)	3,347			3,305
Stock compensation (in Shares)	(42,000)
Employee stock buybacks	$ (2)	(99)			(101)
Employee stock buybacks (in Shares)	(2,000)
Ending Balance (in Shares) at Sep. 30, 2019	327,442,000
Ending Balance at Sep. 30, 2019	$ 327,442	86,208	(26,746)	419,993	806,897
Beginning Balance (in Shares) at Dec. 31, 2019	327,431,000
Beginning Balance at Dec. 31, 2019	$ 327,431	89,413	(21,109)	420,015	815,750
Net Income				198,205	198,205
Other comprehensive income, net of tax
Change in derivatives			(312)		(312)
Foreign currency translation adjustments			(1,732)		(1,732)
Cash dividends				(91,745)	(91,745)
Stock compensation	$ 539	17,612			18,151
Stock compensation (in Shares)	539,000
Employee stock buybacks	$ (221)	(7,864)			(8,085)
Employee stock buybacks (in Shares)	(221,000)
Ending Balance (in Shares) at Sep. 30, 2020	327,749,000
Ending Balance at Sep. 30, 2020	$ 327,749	99,161	(23,153)	528,959	932,716
Other comprehensive income, net of tax
Impact of adoption of ASC 326				2,484	2,484
Beginning Balance (in Shares) at Jun. 30, 2020	327,759,000
Beginning Balance at Jun. 30, 2020	$ 327,759	88,640	(29,163)	475,594	862,830
Net Income				79,579	79,579
Other comprehensive income, net of tax
Change in derivatives			252		252
Foreign currency translation adjustments			5,758		5,758
Cash dividends				(26,214)	(26,214)
Stock compensation	$ (10)	10,521			10,511
Stock compensation (in Shares)	(10,000)
Ending Balance (in Shares) at Sep. 30, 2020	327,749,000
Ending Balance at Sep. 30, 2020	$ 327,749	$ 99,161	$ (23,153)	$ 528,959	$ 932,716