Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

	Three months ended September 30, 2020
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering:
Critical infrastructure & solutions	$	278.7	$	245.3	$	138.3	$	662.3
Services & spares	168.3		95.2		78.4		341.9
Integrated rack solutions	85.0		39.1		33.7		157.8
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

	Three months ended September 30, 2019
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering: (1)
Critical infrastructure & solutions	$	286.3	$	191.7	$	96.9	$	574.9
Services & spares	180.6		93.7		68.2		342.5
Integrated rack solutions	78.8		38.3		36.2		153.3
Total	$	545.7	$	323.7	$	201.3	$	1,070.7
Timing of revenue recognition:
Products and services transferred at a point in time	$	383.7	$	255.0	$	158.9	$	797.6
Products and services transferred over time	162.0		68.7		42.4		273.1
Total	$	545.7	$	323.7	$	201.3	$	1,070.7

(1)Comparative results for Critical infrastructure & solutions, Services & spares and Integrated rack solutions for the three months ended September 30,2019 have been adjusted by $(52.6), $17.3, and $35.3, respectively, to reflect the strategic realignment described above.

	Nine months ended September 30, 2020
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering:
Critical infrastructure & solutions	$	769.9	$	565.2	$	343.0	$	1,678.1
Services & spares	491.0		263.5		210.4		964.9
Integrated rack solutions	222.4		97.6		101.9		421.9
Total	$	1,483.3	$	926.3	$	655.3	$	3,064.9
Timing of revenue recognition:
Products and services transferred at a point in time	$	1,022.3	$	720.3	$	505.1	$	2,247.7
Products and services transferred over time	461.0		206.0		150.2		817.2
Total	$	1,483.3	$	926.3	$	655.3	$	3,064.9

	Nine months ended September 30, 2019
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering: (2)
Critical infrastructure & solutions	$	937.1	$	527.9	$	355.4	$	1,820.4
Services & spares	505.5		268.2		211.7		985.4
Integrated rack solutions	232.8		110.0		111.1		453.9
Total	$	1,675.4	$	906.1	$	678.2	$	3,259.7
Timing of revenue recognition:
Products and services transferred at a point in time	$	1,217.1	$	706.5	$	548.7	$	2,472.3
Products and services transferred over time	458.3		199.6		129.5		787.4
Total	$	1,675.4	$	906.1	$	678.2	$	3,259.7

(2)Comparative results for Critical infrastructure & solutions, Services & spares and Integrated rack solutions for the nine months ended September 30,2019 have been adjusted by $(118.4), $28.1, and $90.3, 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 are as follows:

	Balances at September 30, 2020		Balances at December 31, 2019
Deferred revenue - current (3)	$	189.8	$	160.9
Deferred revenue - noncurrent (4)	38.9		41.3
Other contract liabilities - current (3)	48.3		39.8

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

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