REVENUE (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

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


	Year Ended December 31, 2022
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering:
Critical infrastructure & solutions	$	1,608.4	$	949.3	$	917.6	$	3,475.3
Services & spares	754.6		441.7		284.3		1,480.6
Integrated rack solutions	365.6		210.3		159.7		735.6
Total	$	2,728.6	$	1,601.3	$	1,361.6	$	5,691.5

Timing of revenue recognition:
Products and services transferred at a point in time	$	1,925.0	$	1,242.6	$	985.7	$	4,153.3
Products and services transferred over time	803.6		358.7		375.9		1,538.2
Total	$	2,728.6	$	1,601.3	$	1,361.6	$	5,691.5


	Year Ended December 31, 2021
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering: (1)
Critical infrastructure & solutions	$	1,189.6	$	971.7	$	739.1	$	2,900.4
Services & spares	705.1		421.5		312.1		1,438.7
Integrated rack solutions	292.7		215.8		150.5		659.0
Total	$	2,187.4	$	1,609.0	$	1,201.7	$	4,998.1

Timing of revenue recognition:
Products and services transferred at a point in time	$	1,514.6	$	1,304.3	$	1,019.5	$	3,838.4
Products and services transferred over time	672.8		304.7		182.2		1,159.7
Total	$	2,187.4	$	1,609.0	$	1,201.7	$	4,998.1

(1)For the year ended December 31, 2021, E&I sales from November 1, 2021 to December 31, 2021 of $21.7 and $45.7 are included in Americas; and Europe, Middle East & Africa reportable segments, respectively.


	Year Ended December 31, 2020
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering:
Critical infrastructure & solutions	$	1,074.2	$	830.7	$	529.7	$	2,434.6
Services & spares	662.6		366.3		288.2		1,317.1
Integrated rack solutions	303.8		171.4		143.7		618.9
Total	$	2,040.6	$	1,368.4	$	961.6	$	4,370.6

Timing of revenue recognition:
Products and services transferred at a point in time	$	1,418.9	$	1,078.5	$	751.9	$	3,249.3
Products and services transferred over time	621.7		289.9		209.7		1,121.3
Total	$	2,040.6	$	1,368.4	$	961.6	$	4,370.6

Schedule of Contract Assets, Liabilities and Deferred Revenue

The opening and closing balances of current and long-term contract liabilities and current and long-term deferred revenue are as follows:


	Balances at December 31, 2022		Balances at December 31, 2021

Deferred revenue - current (1)	$	309.4	$	238.9
Deferred revenue - noncurrent (2)	49.5		59.9
Other contract liabilities - current (1)	49.3		52.1

(1) Current deferred revenue and contract liabilities are included within “Accrued expenses and other liabilities” on the Consolidated Balance Sheets.

(2) Noncurrent deferred revenue is recorded within “Other long-term liabilities” on the Consolidated Balance Sheets.