Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2011

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Cross Currency Swaps 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

Commodity Derivative Contract Outstanding

	Commodity derivative contracts
Commodity	Volume hedged December 31, 2011	Volume hedged December 31, 2010	Units of measure	Duration
Natural gas	—	258,900	MMBtu	Dec - 11

Foreign Exchange Derivative Contracts Outstanding [Text Block]

Foreign currency derivatives (in millions)
Functional currency	Traded currency	Notional in traded currency December 31, 2011	Notional in traded currency December 31, 2010	Duration
British pound	Euro	64.8	107.3	Dec - 13
Euro	British pound	7.0	—	Dec - 12
Euro	Hungarian forint	5,400.0	—	Dec - 12
Euro	Polish zloty	24.5	—	Dec - 12
Euro	US dollar	16.1	20.2	Jan - 13
Indian rupee	US dollar	—	1.9	Dec - 11
Japanese yen	US dollar	7.4	—	Dec - 12
Korean won	Euro	34.5	45.7	Dec - 13
Korean won	US dollar	2.4	—	Dec - 12
Mexican peso	Euro	9.2	13.5	Mar - 12
Mexican peso	US dollar	40.7	—	Dec - 12
Swedish krona	Euro	6.1	—	Dec - 12
US dollar	Indian rupee	—	141.5	Dec - 11
US dollar	Euro	3.0	1.7	Dec - 12
US dollar	Japanese yen	3,000.0	—	Mar - 12

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

	Assets					Liabilities
(millions of dollars)	Location	December 31, 2011		December 31, 2010		Location	December 31, 2011		December 31, 2010
Foreign currency contracts	Prepayments and other current assets	$	2.6	$	2.7	Accounts payable and accrued expenses	$	2.4	3.3
	Other non-current assets	$	0.1	$	—	Other non-current liabilities	0.5		3.1
Net investment hedge contracts	Other non-current assets	$	—	$	—	Other non-current liabilities	85.0		75.7

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

(millions of dollars)	Deferred gain (loss) in AOCI at						Gain (loss) expected to be reclassified to income in one year or less
Contract type	December 31, 2011			December 31, 2010
Foreign currency	$	(0.6	)	$	(3.7	)	$	(0.2	)
Commodity	—			1.6			—
Net investment hedges	(78.9		)	(69.3		)	—
Total	$	(79.5	)	$	(71.4	)	$	(0.2	)

Derivatives Designated As Net Investment Hedges [Text Block]

		Gain (loss) reclassified from AOCI to income (effective portion)					Gain (loss) recognized in income (ineffective portion)
(millions of dollars)		Year Ended December 31,					Year Ended December 31,
Contract type	Location	2011		2010		Location	2011		2010
Cross-currency swap	Interest expense	$	—	$	—	Interest expense	$	0.5	$	(2.5	)

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)
(millions of dollars)		Year Ended December 31,							Year Ended December 31,
Contract type	Location	2011			2010			Location	2011		2010
Foreign currency	Sales	$	(1.4	)	$	(0.2	)	SG&A expense	$	—	$	0.9
Foreign currency	Cost of goods sold	$	(0.6	)	$	(1.2	)	SG&A expense	$	—	$	—
Foreign currency	SG&A expense	$	0.5		$	(0.6	)	SG&A expense	$	—	$	—
Commodity	Cost of goods sold	$	—		$	8.2		Cost of goods sold	$	—	$	(0.2	)