CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Trade receivables allowances	$ 22,513	$ 16,428
Common stock, par value, in dollars per share	$ 0.125	$ 0.125
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	128,526,137	128,526,137
Common stock, shares outstanding	106,933,358	106,787,299
Treasury stock, shares at cost	21,592,779	21,738,838