Revenue (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents details deemed most relevant to the users of the financial statements about total revenue for the years ended December 31, 2020, 2019 and 2018:

	December 31, 2020
	Mobile		Process		Total
United States	$	853.8	$	699.6	$	1,553.4
Americas excluding United States	168.1		138.0		306.1
Europe / Middle East / Africa	389.9		457.0		846.9
China	102.2		421.0		523.2
Asia-Pacific excluding China	157.6		126.0		283.6
Net sales	$	1,671.6	$	1,841.6	$	3,513.2
	December 31, 2019
	Mobile		Process		Total
United States	$	1,007.1	$	821.0	$	1,828.1
Americas excluding United States	209.6		167.7		377.3
Europe / Middle East / Africa	390.8		489.2		880.0
China	92.1		268.5		360.6
Asia-Pacific excluding China	194.3		149.6		343.9
Net sales	$	1,893.9	$	1,896.0	$	3,789.9
	December 31, 2018
	Mobile		Process		Total
United States	$	1,028.8	$	769.5	$	1,798.3
Americas excluding United States	208.9		176.7		385.6
Europe / Middle East / Africa	382.5		380.2		762.7
China	95.4		218.4		313.8
Asia-Pacific excluding China	188.1		132.3		320.4
Net sales	$	1,903.7	$	1,677.1	$	3,580.8

The following table presents the percent of revenues by sales channel for the years ended December 31, 2020 and December 31, 2019:    

Revenue by sales channel	December 31, 2020	December 31, 2019
Original equipment manufacturers	60%	56%
Distribution/end users	40%	44%

Contract with Customer, Asset and Liability

The following table contains a rollforward of unbilled receivables for the year ended December 31, 2020:

	December 31, 2020
Beginning balance, January 1	$	129.2
Additional unbilled revenue recognized	393.6
Less: amounts billed to customers	(411.9)
Ending balance	$	110.9