Retirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2018

Defined Benefit Plan [Abstract]

Schedule of Costs of Retirement Plans [Table Text Block]

	THREE MONTHS ENDED						SIX MONTHS ENDED
	JUNE 30						JUNE 30
	2018			2017			2018			2017
U.S. Pension
Interest cost	$	0.7		$	0.7		$	1.3		$	1.4
Expected return on plan assets	(1.3		)	(1.3		)	(2.5		)	(2.5		)
Settlement loss	0.7			—			0.7			—
Amortization of actuarial loss	0.4			0.5			0.9			0.9
Amortization of prior service credit	(0.1		)	(0.1		)	(0.2		)	(0.2		)
Total	$	0.4		$	(0.2	)	$	0.2		$	(0.4	)
Non-U.S. Pension
Service cost	$	—		$	—		$	0.1		$	0.1
Interest cost	1.1			1.0			2.1			2.0
Expected return on plan assets	(2.7		)	(2.3		)	(5.4		)	(4.5		)
Amortization of actuarial loss	0.5			0.7			1.0			1.3
Total	$	(1.1	)	$	(0.6	)	$	(2.2	)	$	(1.1	)