Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value Measurements, Nonrecurring

The following is a summary of goodwill and asset impairment expense.

	Three Months Ended June 30,		Six Months Ended June 30,
(in millions)	2018		2018
Goodwill	$	—	$	351.7
Property, plant and equipment and leasehold intangibles, net	6.9		47.7
Investment in unconsolidated ventures	—		33.4
Other intangible assets, net	—		1.7
Assets held for sale	9.2		12.0
Goodwill and asset impairment	$	16.1	$	446.5