Revenue (Summary Of Revenues Disaggregated By Geography By Reportable Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Total net sales	$ 405,532	$ 320,555
EMEA [Member]
Total net sales	220,943	148,923
United States [Member]
Total net sales	91,536	88,380
Asia Pacific [Member]
Total net sales	52,400	44,208
Latin America [Member]
Total net sales	40,653	39,044
Performance Coatings [Member]
Total net sales	184,648	126,565
Performance Coatings [Member] | EMEA [Member]
Total net sales	119,116	69,160
Performance Coatings [Member] | United States [Member]
Total net sales	12,819	10,758
Performance Coatings [Member] | Asia Pacific [Member]
Total net sales	25,947	21,317
Performance Coatings [Member] | Latin America [Member]
Total net sales	26,766	25,330
Performance Colors And Glass [Member]
Total net sales	120,505	103,518
Performance Colors And Glass [Member] | EMEA [Member]
Total net sales	61,344	44,586
Performance Colors And Glass [Member] | United States [Member]
Total net sales	37,091	39,104
Performance Colors And Glass [Member] | Asia Pacific [Member]
Total net sales	16,515	14,633
Performance Colors And Glass [Member] | Latin America [Member]
Total net sales	5,555	5,195
Color Solutions [Member]
Total net sales	100,379	90,472
Color Solutions [Member] | EMEA [Member]
Total net sales	40,483	35,177
Color Solutions [Member] | United States [Member]
Total net sales	41,626	38,518
Color Solutions [Member] | Asia Pacific [Member]
Total net sales	9,938	8,258
Color Solutions [Member] | Latin America [Member]
Total net sales	$ 8,332	$ 8,519