Revenue - (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue by geographical region and revenue type

The following table presents the Company’s revenues disaggregated by geographical region for the years ended December 31, 2019 and 2018 ($ in millions). Sales taxes and other usage-based taxes collected from customers are excluded from revenues. The Company defines emerging markets as developing markets of the world experiencing extended periods of accelerated growth in gross domestic product and infrastructure which includes Eastern Europe, the Middle East, Africa, Latin America and Asia (with the exception of Japan and Australia). The Company defines developed markets as all markets of the world that are not emerging markets.

	Specialty Products & Technologies		Equipment & Consumables		Total
Year ended December 31, 2019
Geographical region:
North America	$	602.7	$	714.9	$	1,317.6
Western Europe	315.6		288.1		603.7
Other developed markets	92.8		81.5		174.3
Emerging markets	331.6		324.4		656.0
Total	$	1,342.7	$	1,408.9	$	2,751.6
Year ended December 31, 2018
Geographical region:
North America	$	605.5	$	744.9	$	1,350.4
Western Europe	340.8		318.8		659.6
Other developed markets	97.0		82.9		179.9
Emerging markets	326.5		328.1		654.6
Total	$	1,369.8	$	1,474.7	$	2,844.5