Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2012

Derivative [Line Items]

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

	Assets					Liabilities
(millions of dollars)	Location	December 31, 2012		December 31, 2011		Location	December 31, 2012		December 31, 2011
Foreign currency	Prepayments and other current assets	$	5.7	$	2.6	Accounts payable and accrued expenses	$	9.8	$	2.4
	Other non-current assets	$	0.2	$	0.1	Other non-current liabilities	$	—	$	0.5
Net investment hedges	Other non-current assets	$	—	$	—	Other non-current liabilities	$	58.1	$	85.0

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, 2012			December 31, 2011
Foreign currency	$	(3.5	)	$	(0.6	)	$	(3.8	)
Net investment hedges	(54.5		)	(78.9		)	—
Total	$	(58.0	)	$	(79.5	)	$	(3.8	)

Derivatives Designated As Cash Flow Hedging Instruments [Text Block]

		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	2012		2011			Location	2012		2011
Foreign currency	Sales	$	5.3	$	(1.4	)	SG&A expense	$	—	$	—
Foreign currency	Cost of goods sold	$	3.5	$	(0.6	)	SG&A expense	$	0.1	$	—
Foreign currency	SG&A expense	$	—	$	0.5		SG&A expense	$	—	$	—
Net investment hedges	N/A						Interest expense	$	2.3	$	0.5

Net investment hedge contracts [Member]

Derivative [Line Items]

Foreign Exchange Derivative Contracts Outstanding [Text Block]

	Cross-currency swaps
(millions of dollars)	Notional in USD		Notional in local currency		Duration
Floating $ to Floating €	$	75.0	€	58.5	Oct - 19
Floating $ to Floating ¥	$	150.0	¥	17,581.5	Nov - 16

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, 2012	Notional in traded currency December 31, 2011	Duration
British pound	Euro	28.8	64.8	Dec - 13
Euro	British pound	4.7	7.0	Dec - 13
Euro	Hungarian forint	9,300.0	5,400.0	Nov - 13
Euro	Japanese yen	6,760.0	—	Dec - 13
Euro	Polish zloty	87.4	24.5	Dec - 13
Euro	US dollar	15.2	16.1	Dec - 13
Japanese yen	US dollar	9.5	7.4	Dec - 13
Korean won	Euro	32.4	34.5	Dec - 14
Korean won	US dollar	17.5	2.4	Dec - 13
Mexican peso	Euro	—	9.2	Dec - 12
Mexican peso	US dollar	20.9	40.7	Dec - 13
Swedish krona	Euro	—	6.1	Dec - 12
US dollar	Euro	—	3.0	Dec - 12
US dollar	Indian rupee	111.1	—	Oct - 13
US dollar	Japanese yen	3,000.0	3,000.0	Mar - 13