Summary of Preliminary Fair Values of Identifiable Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016	Mar. 31, 2016
Assets:
Goodwill	$ 1,904.9	$ 1,870.7
Autoliv Nissin Brake Systems
Assets:
Cash and cash equivalents			$ 37.7
Receivables			1.5
Inventories			33.0
Other current assets			7.9
Property, plant and equipment			138.5
Other non-current assets			0.3
Intangibles			112.1
Goodwill			234.7
Total assets			565.7
Liabilities:
Accounts payable			6.0
Other current liabilities			23.1
Pension liabilities			9.1
Other non-current liabilities			12.7
Total liabilities			50.9
Net assets acquired			514.8
Less: Non-controlling interest			(252.3)
Controlling interest			$ 262.5