Revenue (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table disaggregates our revenue by business segment, product and service offering and timing of transfer of control:

	Three Months Ended March 31, 2022
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering:
Critical infrastructure & solutions	$	294.3	$	183.8	$	186.8	$	664.9
Services & spares	164.7		104.6		64.9		334.2
Integrated rack solutions	76.1		44.4		36.8		157.3
Total	$	535.1	$	332.8	$	288.5	$	1,156.4
Timing of revenue recognition:
Products and services transferred at a point in time	$	378.1	$	256.4	$	221.7	$	856.2
Products and services transferred over time	157.0		76.4		66.8		300.2
Total	$	535.1	$	332.8	$	288.5	$	1,156.4

	Three Months Ended March 31, 2021
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering:
Critical infrastructure & solutions	$	279.2	$	216.3	$	132.4	$	627.9
Services & spares	154.2		95.5		72.1		321.8
Integrated rack solutions	68.1		45.6		35.0		148.7
Total	$	501.5	$	357.4	$	239.5	$	1,098.4
Timing of revenue recognition:
Products and services transferred at a point in time	$	360.5	$	281.6	$	195.0	$	837.1
Products and services transferred over time	141.0		75.8		44.5		261.3
Total	$	501.5	$	357.4	$	239.5	$	1,098.4

Schedule of Contract Assets, Liabilities and Deferred Revenue

The opening and closing balances of our current and long-term contract assets and current and long-term deferred revenue were as follows:

	Balances at March 31, 2022		Balances at December 31, 2021
Deferred revenue - current (1)	$	293.9	$	238.9
Deferred revenue - noncurrent (2)	50.0		59.9
Other contract liabilities - current (1)	60.3		52.1

(1)    Current deferred revenue and contract liabilities are included within accrued expenses and other liabilities.

(2)    Noncurrent deferred revenue is recorded within other long-term liabilities.