Revenue (Tables)

6 Months Ended

Jun. 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 June 30, 2020
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering:
Critical infrastructure & solutions	$	250.6	$	202.2	$	99.4	$	552.2
Services & spares	161.1		88.1		66.5		315.7
Integrated rack solutions	73.0		32.5		32.3		137.8
Total	$	484.7	$	322.8	$	198.2	$	1,005.7
Timing of revenue recognition:
Products and services transferred at a point in time	$	332.4	$	256.8	$	153.4	$	742.6
Products and services transferred over time	152.3		66.0		44.8		263.1
Total	$	484.7	$	322.8	$	198.2	$	1,005.7

	Three months ended June 30, 2019
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering: (1)
Critical infrastructure & solutions	$	317.4	$	194.7	$	124.3	$	636.4
Services & spares	170.9		91.5		74.3		336.7
Integrated rack solutions	86.8		37.1		37.1		161.0
Total	$	575.1	$	323.3	$	235.7	$	1,134.1
Timing of revenue recognition:
Products and services transferred at a point in time	$	417.3	$	254.7	$	190.3	$	862.3
Products and services transferred over time	157.8		68.6		45.4		271.8
Total	$	575.1	$	323.3	$	235.7	$	1,134.1

(1)Comparative results for Critical infrastructure & solutions, Services & spares and Integrated rack solutions for the three months ended June 30,2019 have been adjusted by $(36.2), $10.8, and $25.4, respectively, to reflect the strategic realignment described above.

	Six months ended June 30, 2020
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering:
Critical infrastructure & solutions	$	490.4	$	318.5	$	204.8	$	1,013.7
Services & spares	322.7		167.3		131.9		621.9
Integrated rack solutions	138.3		60.9		68.2		267.4
Total	$	951.4	$	546.7	$	404.9	$	1,903.0
Timing of revenue recognition:
Products and services transferred at a point in time	$	645.6	$	417.7	$	319.2	$	1,382.5
Products and services transferred over time	305.8		129.0		85.7		520.5
Total	$	951.4	$	546.7	$	404.9	$	1,903.0

	Six months ended June 30, 2019
	Americas		Asia Pacific		Europe, Middle East, & Africa		Total
Sales by Product and Service Offering: (2)
Critical infrastructure & solutions	$	650.8	$	336.1	$	258.5	$	1,245.4
Services & spares	324.9		174.5		143.5		642.9
Integrated rack solutions	154.0		71.7		74.9		300.6
Total	$	1,129.7	$	582.3	$	476.9	$	2,188.9
Timing of revenue recognition:
Products and services transferred at a point in time	$	833.4	$	451.4	$	389.8	$	1,674.6
Products and services transferred over time	296.3		130.9		87.1		514.3
Total	$	1,129.7	$	582.3	$	476.9	$	2,188.9

(2)Comparative results for Critical infrastructure & solutions, Services & spares and Integrated rack solutions for the six months ended June 30,2019 have been adjusted by $(65.8), $10.7, and $55.1, 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 June 30, 2020		Balances at December 31, 2019
Deferred revenue - current (3)	$	190.2	$	160.9
Deferred revenue - noncurrent (4)	37.9		41.3
Other contract liabilities - current (3)	36.0		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.