Restructuring (Tables)

12 Months Ended

Dec. 31, 2023

Restructuring and Related Activities [Abstract]

Restructuring Related Costs

Restructuring and transformation-related costs included within Cost of goods sold and Selling, general and administrative expenses in the Consolidated Statements of Operations and Comprehensive Income included the following:

	Years ended December 31
In millions	2023		2022		2021
Restructuring Initiatives
Severance and related costs	$	8.2	$	17.7	$	7.0
Asset impairment and write-offs (1)	3.8		25.6		—
Other restructuring costs and related adjustments (2)	(6.0)		13.0		0.4
Total restructuring costs	6.0		56.3		7.4
Transformation Program
Severance and related costs	6.9		3.4		—
Other transformation costs (3)	37.8		23.8		11.7
Total transformation costs	44.7		27.2		11.7
Total restructuring and transformation costs	$	50.7	$	83.5	$	19.1

(1) Asset impairment and write-offs consist of inventory, long-lived assets and an identifiable intangible asset, which were impaired as a result of product line exits as well as certain business exits announced in the fourth quarter of 2022.

(2) Other restructuring costs and related adjustments primarily consist of certain accruals and related refinements as well as various contract termination costs associated with product line and business exits.

(3) Other transformation costs primarily consist of professional services, project management related costs and asset impairments, partially offset by gain on sale of assets.

Restructuring Costs By Segment

Restructuring and transformation costs by reportable segment were as follows:

	Years ended December 31
In millions	2023		2022		2021
Flow	$	3.4	$	2.2	$	0.9
Water Solutions	(0.1)		41.1		0.6
Pool	9.1		14.3		0.3
Other	38.3		25.9		17.3
Consolidated	$	50.7	$	83.5	$	19.1

Restructuring Accrual Activity Recorded on Consolidated Balance Sheets

Activity related to accrued severance and related costs recorded in Other current liabilities in the Consolidated Balance Sheets is summarized as follows:

	Years ended December 31
In millions	2023		2022
Beginning balance	$	23.2	$	10.7
Costs incurred	15.1		21.1
Cash payments and other	(24.9)		(8.6)
Ending balance	$	13.4	$	23.2