Revenue (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

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


	Three Months Ended September 30, 2021
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering:
Critical infrastructure & solutions	$	291.9	$	234.0	$	180.4	$	706.3
Services & spares	180.2		104.4		80.8		365.4
Integrated rack solutions	65.1		56.2		35.9		157.2
Total	$	537.2	$	394.6	$	297.1	$	1,228.9

Timing of revenue recognition:
Products and services transferred at a point in time	$	363.5	$	316.0	$	253.3	$	932.8
Products and services transferred over time	173.7		78.6		43.8		296.1
Total	$	537.2	$	394.6	$	297.1	$	1,228.9


	Three Months Ended September 30, 2020
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering: (1)
Critical infrastructure & solutions	$	278.7	$	239.6	$	138.2	$	656.5
Services & spares	168.3		94.8		77.9		341.0
Integrated rack solutions	85.0		45.2		34.3		164.5
Total	$	532.0	$	379.6	$	250.4	$	1,162.0

Timing of revenue recognition:
Products and services transferred at a point in time	$	376.7	$	302.6	$	185.9	$	865.2
Products and services transferred over time	155.3		77.0		64.5		296.8
Total	$	532.0	$	379.6	$	250.4	$	1,162.0

(1)Comparative results for Critical infrastructure & solutions, Services & spares and Integrated rack solutions for the three months ended September 30, 2020 have been adjusted by $5.8, $0.9, and $(6.7), respectively, to reflect the strategic realignment described above.


	Nine Months Ended September 30, 2021
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering:
Critical infrastructure & solutions	$	877.2	$	690.0	$	494.1	$	2,061.3
Services & spares	513.4		305.8		229.9		1,049.1
Integrated rack solutions	213.0		154.1		110.1		477.2
Total	$	1,603.6	$	1,149.9	$	834.1	$	3,587.6

Timing of revenue recognition:
Products and services transferred at a point in time	$	1,111.1	$	913.3	$	696.6	$	2,721.0
Products and services transferred over time	492.5		236.6		137.5		866.6
Total	$	1,603.6	$	1,149.9	$	834.1	$	3,587.6


	Nine Months Ended September 30, 2020
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering: (1)
Critical infrastructure & solutions	$	769.9	$	549.6	$	343.0	$	1,662.5
Services & spares	491.0		260.5		207.8		959.3
Integrated rack solutions	222.4		116.3		104.5		443.2
Total	$	1,483.3	$	926.4	$	655.3	$	3,065.0

Timing of revenue recognition:
Products and services transferred at a point in time	$	1,022.3	$	720.4	$	505.1	$	2,247.8
Products and services transferred over time	461.0		206.0		150.2		817.2
Total	$	1,483.3	$	926.4	$	655.3	$	3,065.0

(1)Comparative results for Critical infrastructure & solutions, Services & spares and Integrated rack solutions for the nine months ended September 30, 2020 have been adjusted by $15.6, $5.6, and $(21.3), respectively, to reflect the strategic realignment described above.

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 September 30, 2021		Balances at December 31, 2020

Deferred revenue - current (1)	$	234.4	$	199.6
Deferred revenue - noncurrent (2)	44.4		38.8
Other contract liabilities - current (1)	61.8		36.1

(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.