Revenue (Tables)

3 Months Ended

Mar. 31, 2020

Mar. 31, 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
In millions	March 31, 2020		March 31, 2019
U.S.	$	464.0	$	426.0
Western Europe	103.8		104.3
Developing (1)	94.5		108.9
Other Developed (2)	47.7		49.7
Consolidated net sales	$	710.0	$	688.9
(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, 2020		March 31, 2019
Residential	$	415.8	$	383.6
Commercial	141.4		150.7
Industrial	152.8		154.6
Consolidated net sales	$	710.0	$	688.9

Contract with Customer, Asset and Liability

Contract assets and liabilities

Contract assets and liabilities consisted of the following:

In millions	March 31, 2020		December 31, 2019		$ Change			% Change
Contract assets	$	45.5	$	41.0	$	4.5		11.0	%
Contract liabilities	30.4		32.6		(2.2		)	(6.7	)%
Net contract assets	$	15.1	$	8.4	$	6.7		79.8	%