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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Commitments and Contingencies - Additional Information (Detail) € in Millions			3 Months Ended		5 Months Ended
	Jun. 06, 2018 EUR (€) Hospital	Jan. 30, 2017 EUR (€)	Dec. 31, 2018 EUR (€)	Sep. 30, 2018 Facility	Jan. 30, 2017 EUR (€) Hospital
Commitment And Contingencies [Line Items]
Number of facilities closed \| Facility				3
Scenario, Forecast [Member]
Commitment And Contingencies [Line Items]
Consideration expected to be receive at closing			€ 5.8
Germany [Member] \| Acute Care Hospital [Member]
Commitment And Contingencies [Line Items]
Purchase price of acquisition	€ 23.0
Germany [Member] \| Rehabilitation Hospitals [Member]
Commitment And Contingencies [Line Items]
Purchase price of acquisition		€ 8.4			€ 44.1
Number of facilities acquired \| Hospital	4				6