Restructuring

During 2018, 2017 and 2016, we initiated and continued execution of certain business restructuring initiatives aimed at reducing our fixed cost structure and realigning our business. Initiatives during the years ended December 31, 2018, 2017 and 2016 included a reduction in hourly and salaried headcount of approximately 300 employees, 250 employees and 300 employees, respectively.

Restructuring related costs included in Selling, general and administrative expenses in the Consolidated Statements of Operations and Comprehensive Income included costs for severance and other restructuring costs as follows:



	Years ended December 31
In millions	2018		2017		2016
Severance and related costs	$	13.2	$	27.3	$	12.2
Other	27.4		0.9		—
Total restructuring costs	$	40.6	$	28.2	$	12.2

Other restructuring costs primarily consist of asset impairment and various contract termination costs.

Restructuring costs by reportable segment were as follows:



	Years ended December 31
In millions	2018		2017		2016
Aquatic Systems	$	15.3	$	3.6	$	1.8
Filtration Solutions	14.6		13.0		7.4
Flow Technologies	9.3		7.0		1.3
Other	1.4		4.6		1.7
Consolidated	$	40.6	$	28.2	$	12.2

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	2018			2017
Beginning balance	$	34.5		$	15.1
Costs incurred	13.2			27.3
Cash payments and other	(20.6		)	(7.9		)
Ending balance	$	27.1		$	34.5