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Acquisitions (Details) $ in Millions	Oct. 18, 2017 facility	Sep. 19, 2017 USD ($) facility	Apr. 10, 2017 USD ($) aircraft
MRO facilities acquired in Quebec and Ontario, Canada owned by Premier Aviation
Acquisitions
Number of facilities acquired \| facility	2	2
Total consideration		$ 24.8
Deferred consideration payable		1.9
Fair value of net assets acquired
Current assets		4.1
Property and equipment		13.1
Intangible assets, including goodwill		16.0
Accounts payable and accrued liabilities		(8.4)
Net assets acquired		$ 24.8
ACLAS
Acquisitions
Number of aircrafts under multi-year component support and repair contract \| aircraft			100
Purchase price			$ 12.0
Deferred consideration payable			$ 3.0
Deferred consideration payable period			3 years
Fair value of net assets acquired
Inventory			$ 5.0
Equipment on or available for long-term lease			7.0
Intangible assets			3.0
Assets acquired			$ 15.0