Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2019

Property Plant And Equipment [Abstract]

Summary of Property, Plant and Equipment

	March 31,			December 31,
	2019			2018
	(in millions)
Land	$	28.0		$	28.0
Buildings and equipment		1,918.7			1,885.6
Capitalized software costs		438.5			425.8
Instruments		3,035.9			2,950.5
Construction in progress		138.1			147.2
		5,559.2			5,437.1
Accumulated depreciation		(3,545.2	)		(3,421.7	)
Property, plant and equipment, net	$	2,014.0		$	2,015.4