Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Goodwill

GOODWILL	2018			2017
Carrying amount at beginning of year	$	1,397.0		$	1,380.6
Translation differences		(7.1	)		16.4
Carrying amount at end of year	$	1,389.9		$	1,397.0

Schedule of Amortizable Intangibles

AMORTIZABLE INTANGIBLES	2018			2017
Gross carrying amount	$	391.6		$	355.0
Accumulated amortization		(358.9	)		(312.4	)
Carrying value	$	32.7		$	42.6