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, 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				108,521	108,521
Other comprehensive income, net of tax
Foreign currency translation adjustments			2,827		2,827
Change in derivatives			(257)		(257)
Cash dividends				(68,699)	(68,699)
Stock compensation	$ 437	7,149			7,586
Stock compensation, Shares	437,000
Employee stock buybacks	$ (259)	(9,575)			(9,834)
Employee stock buybacks, Shares	(259,000)
Ending Balance, Shares at Jun. 30, 2019	327,486,000
Ending Balance at Jun. 30, 2019	$ 327,486	82,960	(68,508)	410,326	752,264
Other comprehensive income, net of tax
Impact of adoption of ASC 326				212	212
Beginning Balance, Shares at Mar. 31, 2019	327,530,000
Beginning Balance at Mar. 31, 2019	$ 327,530	79,932	(68,736)	380,398	719,124
Net Income				64,295	64,295
Other comprehensive income, net of tax
Foreign currency translation adjustments			485		485
Change in derivatives			(257)		(257)
Cash dividends				(34,367)	(34,367)
Stock compensation	$ (27)	3,724			3,697
Stock compensation, Shares	(27,000)
Employee stock buybacks	$ (17)	(696)			(713)
Employee stock buybacks, Shares	(17,000)
Ending Balance, Shares at Jun. 30, 2019	327,486,000
Ending Balance at Jun. 30, 2019	$ 327,486	82,960	(68,508)	410,326	752,264
Beginning Balance, 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				118,626	118,626
Other comprehensive income, net of tax
Foreign currency translation adjustments			(7,490)		(7,490)
Change in derivatives			(564)		(564)
Cash dividends				(65,531)	(65,531)
Stock compensation	$ 549	7,091			7,640
Stock compensation, Shares	549,000
Employee stock buybacks	$ (221)	(7,864)			(8,085)
Employee stock buybacks, Shares	(221,000)
Ending Balance, Shares at Jun. 30, 2020	327,759,000
Ending Balance at Jun. 30, 2020	$ 327,759	88,640	(29,163)	475,594	862,830
Other comprehensive income, net of tax
Impact of adoption of ASC 326				2,484	2,484
Beginning Balance, Shares at Mar. 31, 2020	327,767,000
Beginning Balance at Mar. 31, 2020	$ 327,767	84,865	(38,711)	426,450	800,371
Net Income				75,358	75,358
Other comprehensive income, net of tax
Foreign currency translation adjustments			9,378		9,378
Change in derivatives			170		170
Cash dividends				(26,214)	(26,214)
Stock compensation	$ (6)	3,827			3,821
Stock compensation, Shares	(6,000)
Employee stock buybacks	$ (2)	(52)			(54)
Employee stock buybacks, Shares	(2,000)
Ending Balance, Shares at Jun. 30, 2020	327,759,000
Ending Balance at Jun. 30, 2020	$ 327,759	$ 88,640	$ (29,163)	$ 475,594	$ 862,830