Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value [Text Block]

			Basis of fair value measurements
	Balance at December 31, 2012		Quoted prices in active markets for identical items (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Valuation technique
(millions of dollars)
Assets:
Foreign currency contracts	$	5.9	$	—	$	5.9	$	—	A
Other non-current assets (insurance settlement agreement note receivable)	$	41.0	$	—	$	41.0	$	—	C
Liabilities:
Foreign currency contracts	$	9.8	$	—	$	9.8	$	—	A
Net investment hedge contracts	$	58.1	$	—	$	58.1	$	—	A

			Basis of fair value measurements
(millions of dollars)	Balance at December 31, 2011		Quoted prices in active markets for identical items (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Valuation technique
Assets:
Foreign currency contracts	$	2.7	$	—	$	2.7	$	—	A
Other non-current assets (insurance settlement agreement note receivable)	$	21.3	$	—	$	21.3	$	—	C
Liabilities:
Foreign currency contracts	$	2.9	$	—	$	2.9	$	—	A
Net investment hedge contracts	$	85.0	$	—	$	85.0	$	—	A

Fair value defined benefit plan assets measured at recurring and non-recurring basis [Text Block]

The following tables classify the Company's defined benefit plan assets measured at fair value on a recurring basis as of December 31, 2012 and 2011:

			Basis of fair value measurements
(millions of dollars)	Balance at December 31, 2012		Quoted prices in active markets for identical items (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Valuation technique
U.S. Plans:
Fixed income securities	$	157.4	$	—	$	157.4	$	—	A
Equity securities	100.0		48.9		51.1		—		A
Real estate and other	25.3		—		25.3		—		A
	$	282.7	$	48.9	$	233.8	$	—
Non-U.S. Plans:
Fixed income securities	$	67.3	$	—	$	67.3	$	—	A
Equity securities	99.0		—		99.0		—		A
Real estate and other	11.6		—		11.6		—		A
	$	177.9	$	—	$	177.9	$	—

			Basis of fair value measurements
(millions of dollars)	Balance at December 31, 2011		Quoted prices in active markets for identical items (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Valuation technique
U.S. Plans:
Fixed income securities	$	158.2	$	—	$	158.2	$	—	A
Equity securities	101.5		49.6		51.9		—		A
Real estate and other	30.7		—		30.7		—		A
	$	290.4	$	49.6	$	240.8	$	—
Non-U.S. Plans:
Fixed income securities	$	63.5	$	—	$	63.5	$	—	A
Equity securities	78.3		—		78.3		—		A
Real estate and other	13.1		—		13.1		—		A
	$	154.9	$	—	$	154.9	$	—