Business Segments (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 segment	Dec. 31, 2017 USD ($)
Business Segment Information
Number of business segments | segment	5
Percentage of net sales for countries that centralized sales districts to overall international net sales	70.00%
Business Segments. | Business Segments in Aggregate
Business Segment Information
Increase (decrease) in net sales due to dual credit reporting change from consolidation of U.S. customer account activity		$ 1,568.0
Increase (decrease) in operating income due to dual credit reporting change from consolidation of U.S. customer account activity		402.0
Business Segments. | Electronics And Energy
Business Segment Information
Increase (decrease) in net sales due to centralization of manufacturing and supply technology platforms		(1.0)
Increase (decrease) in operating income due to centralization of manufacturing and supply technology platforms		42.0
Corporate and Unallocated
Business Segment Information
Increase (decrease) in net sales due to centralization of manufacturing and supply technology platforms		1.0
Increase (decrease) in operating income due to centralization of manufacturing and supply technology platforms		(42.0)
Elimination of Dual Credit | Business Segments in Aggregate
Business Segment Information
Increase (decrease) in net sales due to dual credit reporting change from consolidation of U.S. customer account activity		1,568.0
Increase (decrease) in operating income due to dual credit reporting change from consolidation of U.S. customer account activity		$ 402.0