Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Sep. 30, 2019

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, 2020		September 30, 2019		September 30, 2020		September 30, 2019
U.S.	$	541.2	$	445.0	$	1,487.9	$	1,382.1
Western Europe	92.6		97.8		281.3		309.0
Developing (1)	108.3		119.9		303.2		357.8
Other Developed (2)	56.4		50.9		149.4		153.1
Consolidated net sales	$	798.5	$	713.6	$	2,221.8	$	2,202.0
(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				Nine months ended
In millions	September 30, 2020		September 30, 2019		September 30, 2020		September 30, 2019
Residential	$	520.3	$	395.5	$	1,375.8	$	1,230.1
Commercial	126.0		154.3		391.8		475.7
Industrial	152.2		163.8		454.2		496.2
Consolidated net sales	$	798.5	$	713.6	$	2,221.8	$	2,202.0

Contract with Customer, Asset and Liability

Contract assets and liabilities

Contract assets and liabilities consisted of the following:

In millions	September 30, 2020		December 31, 2019		$ Change		% Change
Contract assets	$	55.6	$	41.0	$	14.6	35.6	%
Contract liabilities	29.1		32.6		(3.5)		(10.7)	%
Net contract assets	$	26.5	$	8.4	$	18.1	215.5	%