Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and Intangibles - Acquisitions (Details) - USD ($) $ in Millions	Nov. 02, 2016	Dec. 31, 2018	Oct. 28, 2018	Dec. 31, 2017
Business Combination, Description [Abstract]
Goodwill		$ 544.8	$ 544.3	$ 550.5
PVI Riverside Holdings, Inc Member
Business Combination, Description [Abstract]
Outstanding shares acquired (as a percent)	100.00%
Purchase price	$ 79.1
Goodwill	41.1
Purchase price allocated to intangible assets	$ 31.0