Revenue (Tables)

6 Months Ended

Jun. 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 six months ended June 30, 2021 and 2020, respectively:

	Three Months Ended						Three Months Ended
	June 30, 2021						June 30, 2020
	Mobile		Process		Total		Mobile		Process		Total
United States	$	237.4	$	201.6	$	439.0	$	186.6	$	173.7	$	360.3
Americas, excluding the United States	52.3		49.1		101.4		26.8		29.3		56.1
Europe / Middle East / Africa	124.3		137.2		261.5		78.8		112.9		191.7
China	32.2		138.4		170.6		26.4		122.0		148.4
Asia-Pacific, excluding China	48.0		42.4		90.4		24.0		23.0		47.0
Net sales	$	494.2	$	568.7	$	1,062.9	$	342.6	$	460.9	$	803.5

	Six Months Ended						Six Months Ended
	June 30, 2021						June 30, 2020
	Mobile		Process		Total		Mobile		Process		Total
United States	$	480.3	$	387.8	$	868.1	$	424.8	$	366.3	$	791.1
Americas, excluding the United States	101.1		92.3		193.4		75.6		64.3		139.9
Europe / Middle East / Africa	251.4		264.4		515.8		187.5		228.5		416.0
China	66.6		262.7		329.3		48.2		203.0		251.2
Asia-Pacific, excluding China	99.3		82.4		181.7		73.2		55.5		128.7
Net sales	$	998.7	$	1,089.6	$	2,088.3	$	809.3	$	917.6	$	1,726.9

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 six months ended June 30, 2021 and 2020, respectively:

	Six Months Ended
Revenue by sales channel	June 30, 2021	June 30, 2020
Original equipment manufacturers	61%	59%
Distribution/end users	39%	41%

Contract with Customer, Asset and Liability

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

	June 30, 2021		December 31, 2020
Beginning balance, January 1	$	110.9	$	129.2
Additional unbilled revenue recognized	179.4		393.6
Less: amounts billed to customers	(189.9)		(411.9)
Ending balance	$	100.4	$	110.9