Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of Price Risk Derivatives [Table Text Block]



	Commodity derivative contracts
Commodity	Volume hedged December 31, 2017	Volume hedged December 31, 2016	Units of measure	Duration
Copper	—	213.8	Metric Tons	—

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Text Block]



	Assets					Liabilities
(millions of dollars)	Location	December 31, 2017		December 31, 2016		Location	December 31, 2017		December 31, 2016
Foreign currency	Prepayments and other current assets	$	0.9	$	7.2	Accounts payable and accrued expenses	$	5.0	$	1.1
	Other non-current assets	$	0.8	$	—	Other non-current liabilities	$	—	$	—
Commodity	Prepayments and other current assets	$	—	$	0.1	Accounts payable and accrued expenses	$	—	$	—

Deferred Losses Reported In Other Comprehensive Income Loss [Text Block]



	Deferred gain (loss) in AOCI at						Gain (loss) expected to be reclassified to income in one year or less
(millions of dollars)	December 31, 2017			December 31, 2016
Foreign currency	$	(2.3	)	$	5.6		$	(3.1	)
Commodity	—			(0.1		)	—
Net investment hedges	(54.2		)	29.5			—
Total	$	(56.5	)	$	35.0		$	(3.1	)

Derivative Instruments, Gain (Loss) [Table Text Block]

Derivative instruments designated as hedging instruments as defined by ASC Topic 815 held during the period resulted in the following gains and losses recorded in income:



		Gain (loss) reclassified from AOCI to income (effective portion)							Gain (loss) recognized in income (ineffective portion)
		Year Ended December 31,							Year Ended December 31,
(millions of dollars)	Location	2017			2016			Location	2017			2016
Foreign currency	Sales	$	3.4		$	(0.1	)	SG&A expense	$	—		$	0.3
Foreign currency	Cost of goods sold	$	(0.1	)	$	1.4		SG&A expense	$	(0.1	)	$	—
Commodity	Cost of goods sold	$	0.5		$	(1.4	)	Cost of goods sold	$	—		$	(0.3	)

Schedule of Interest Rate Derivatives [Table Text Block]



		Year Ended December 31,
(millions of dollars)		2017				2016
Contract Type	Location	Gain (loss) on swaps		Gain (loss) on borrowings		Gain (loss) on swaps		Gain (loss) on borrowings
Interest rate swap	Interest expense and finance charges	$	—	$	—	$	8.5	$	(8.5	)

Foreign currency contracts [Member]

Derivative [Line Items]

Foreign Exchange Derivative Contracts Outstanding [Text Block]



Foreign currency derivatives (in millions)
Functional currency	Traded currency	Notional in traded currency December 31, 2017	Notional in traded currency December 31, 2016	Ending Duration
Brazilian real	Euro	1.1	—	Apr - 18
Chinese renminbi	Euro	18.6	—	Jun - 18
Chinese renminbi	US dollar	36.0	33.5	Sept - 18
Euro	British pound	3.9	4.2	Dec - 18
Euro	Chinese renminbi	85.0	—	Dec - 18
Euro	Japanese yen	1,311.3	1,004.8	Dec - 18
Euro	Polish zloty	—	18.8	Dec - 17
Euro	Swedish krona	267.4	—	May - 18
Euro	US dollar	56.5	35.3	Mar - 19
Japanese yen	Chinese renminbi	—	68.7	Dec - 17
Japanese yen	Korean won	—	5,689.2	Dec - 17
Japanese yen	US dollar	—	2.0	Dec - 17
Korean won	Euro	3.1	—	Dec - 18
Korean won	Japanese yen	619.0	539.9	Dec - 18
Korean won	US dollar	11.2	14.2	Dec - 18
Mexican peso	US dollar	—	10.5	Dec - 17
Swedish krona	Euro	109.7	48.2	Jan - 20
US dollar	Euro	42.0	—	Dec - 18