Revenue (Tables)

9 Months Ended

Sep. 30, 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				Nine months ended
In millions	September 30, 2021		September 30, 2020		September 30, 2021		September 30, 2020
U.S.	$	669.3	$	541.2	$	1,895.0	$	1,487.9
Western Europe	115.1		92.6		351.1		281.3
Developing (1)	123.7		108.3		349.6		303.2
Other Developed (2)	61.1		56.4		180.5		149.4
Consolidated net sales	$	969.2	$	798.5	$	2,776.2	$	2,221.8
(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				Nine months ended
In millions	September 30, 2021		September 30, 2020		September 30, 2021		September 30, 2020
Residential	$	628.8	$	520.3	$	1,800.0	$	1,375.8
Commercial	178.1		126.0		488.9		391.8
Industrial	162.3		152.2		487.3		454.2
Consolidated net sales	$	969.2	$	798.5	$	2,776.2	$	2,221.8

Contract with Customer, Asset and Liability

Contract assets and liabilities

Contract assets and liabilities consisted of the following:

In millions	September 30, 2021		December 31, 2020		$ Change		% Change
Contract assets	$	55.2	$	50.1	$	5.1	10.2	%
Contract liabilities	38.3		27.5		10.8		39.3	%
Net contract assets	$	16.9	$	22.6	$	(5.7)	(25.2)	%