Acquisitions and Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2020

Business Combination And Disposal Groups, Including Discontinued Operations, Disclosure [Abstract]

Schedule of Discontinued Operations

Operating results of discontinued operations are summarized below:

	Years ended December 31
In millions	2020		2019		2018
Net sales	$	—	$	—	$	693.9
Cost of goods sold	—		—		424.0
Gross profit	—		—		269.9
Selling, general and administrative	(1.2)		7.4		237.8
Research and development	—		—		14.6
Operating income (loss)	$	1.2	$	(7.4)	$	17.5
Income (loss) from discontinued operations before income taxes	$	1.6	$	(7.6)	$	31.8
Income tax provision (benefit)	0.1		(1.6)		6.1
Income (loss) from discontinued operations, net of tax	$	1.5	$	(6.0)	$	25.7