Revenue (Tables)

9 Months Ended

Sep. 30, 2021

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 three and nine months ended September 30, 2021 and 2020, respectively:

	Three Months Ended						Three Months Ended
	September 30, 2021						September 30, 2020
	Mobile		Process		Total		Mobile		Process		Total
United States	$	235.3	$	194.2	$	429.5	$	220.7	$	163.2	$	383.9
Americas, excluding the United States	54.9		47.4		102.3		45.1		36.0		81.1
Europe / Middle East / Africa	118.2		137.5		255.7		92.7		114.3		207.0
China	27.7		125.9		153.6		27.6		117.8		145.4
Asia-Pacific, excluding China	51.2		45.0		96.2		42.5		34.7		77.2
Net sales	$	487.3	$	550.0	$	1,037.3	$	428.6	$	466.0	$	894.6

	Nine Months Ended						Nine Months Ended
	September 30, 2021						September 30, 2020
	Mobile		Process		Total		Mobile		Process		Total
United States	$	715.6	$	582.0	$	1,297.6	$	645.5	$	529.5	$	1,175.0
Americas, excluding the United States	156.0		139.7		295.7		120.7		100.3		221.0
Europe / Middle East / Africa	369.6		401.9		771.5		280.2		342.8		623.0
China	94.3		388.6		482.9		75.8		320.8		396.6
Asia-Pacific, excluding China	150.5		127.4		277.9		115.7		90.2		205.9
Net sales	$	1,486.0	$	1,639.6	$	3,125.6	$	1,237.9	$	1,383.6	$	2,621.5

When reviewing revenue by sales channel, the Company separates net sales to original equipment manufacturers ("OEMs") from sales to distributors and end users. The following table presents the percent of revenue by sales channel for the nine months ended September 30, 2021 and 2020, respectively:

	Nine Months Ended
Revenue by sales channel	September 30, 2021	September 30, 2020
Original equipment manufacturers	61%	60%
Distribution/end users	39%	40%

Contract with Customer, Asset and Liability

The following table contains a rollforward of unbilled receivables for the nine months ended September 30, 2021 and the twelve months ended December 31, 2020:

	September 30, 2021		December 31, 2020
Beginning balance, January 1	$	110.9	$	129.2
Additional unbilled revenue recognized	287.6		393.6
Less: amounts billed to customers	(312.8)		(411.9)
Ending balance	$	85.7	$	110.9