Significant Accounting Policies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Related parties sales	$ 139.0	$ 128.7	$ 122.5
Equity income	3.8	3.6	2.3
Dividends received	7.9	1.6	1.5
Investment in joint venture	15.9	20.0
Accounts receivables, related parties	37.4	33.4
Foreign currency translations, accumulated other comprehensive loss	41.1	29.0
Advertising expense	3.0	3.3	2.5
Cash equivalents	526.6	588.1
Non-trade receivables	39.3	37.1
Depreciation expense	43.2	41.1	39.9
Capitalized internal-use software	6.4	4.7	4.5
Estimated useful life of other intangible assets, minimum, years	3
Estimated useful life of other intangible assets, maximum, years	22
Weighted average useful life of other intangible assets, years	13
Treasury stock previously repurchased shares	31.4	30.8
Building and Improvements [Member]
Estimated useful life, minimum, years	3
Estimated useful life, maximum, years	40
Machinery and Equipment [Member]
Estimated useful life, minimum, years	3
Estimated useful life, maximum, years	20
Software [Member]
Depreciation expense	8.6	10.7	11.1
Interest Rate Swap Contract [Member]
Notional value of interest rate swap contract	$ 250
Minimum [Member] | Software [Member]
Estimated useful lives, years	5
Maximum [Member] | Software [Member]
Estimated useful lives, years	7