Revenue (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Geographic net sales information, based on geographic destination of the sale, was as follows:

	Three months ended
In millions	March 31, 2021		March 31, 2020
U.S.	$	586.6	$	464.0
Western Europe	115.3		103.8
Developing (1)	105.4		94.5
Other Developed (2)	58.6		47.7
Consolidated net sales	$	865.9	$	710.0
(1) Developing includes China, Eastern Europe, Latin America, the Middle East and Southeast Asia.
(2) Other Developed includes Australia, Canada and Japan.

Vertical net sales information was as follows:

	Three months ended
In millions	March 31, 2021		March 31, 2020
Residential	$	571.7	$	415.8
Commercial	137.6		141.4
Industrial	156.6		152.8
Consolidated net sales	$	865.9	$	710.0

Contract with Customer, Asset and Liability

Contract assets and liabilities

Contract assets and liabilities consisted of the following:

In millions	March 31, 2021		December 31, 2020		$ Change		% Change
Contract assets	$	53.7	$	50.1	$	3.6	7.2	%
Contract liabilities	29.9		27.5		2.4		8.7	%
Net contract assets	$	23.8	$	22.6	$	1.2	5.3	%