Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Domestic and foreign components of income before taxes:
Domestic	$ (25.3)	$ (12.5)	$ (11.5)
Foreign	170.8	162.6	140.6
Total	145.5	150.1	129.1
Current income tax (benefit) expense:
Federal	(0.6)	0.3	1.6
State	0.2		0.8
Foreign	56.7	56.6	47.8
Total current income tax expense, Net	56.3	56.9	50.2
Deferred income tax (benefit):
Federal	(3.8)	0.3	(0.4)
State	(0.9)
Foreign	(0.1)	(3.9)	(1.7)
Total deferred income tax expense (benefit)	(4.8)	(3.6)	(2.1)
Income tax provision	51.5	53.3	48.1
Reconciliation of United States federal statutory rate to effective income tax rate
Statutory tax rate (as a percent)	35.00%	35.00%	35.00%
Foreign tax rate differential (as a percent)	(8.00%)	(5.70%)	(9.90%)
Permanent differences (as a percent)	0.30%	1.80%	3.00%
Tax contingencies (as a percent)	6.10%	4.40%	2.40%
Change in tax rates (as a percent)	0.20%	0.10%	0.10%
Withholding taxes (as a percent)		(1.30%)	0.20%
State income taxes, net of federal benefits (as a percent)	(0.30%)		0.50%
Purchase accounting	(3.00%)	0.20%
Other (as a percent)	(1.50%)	(0.50%)	3.20%
Effective tax rate before valuation allowance (as a percent)	28.80%	34.00%	34.50%
Change in valuation allowance for unbenefitted losses (as a percent)	6.60%	1.50%	2.80%
Effective tax rates (as a percent)	35.40%	35.50%	37.30%
Deferred tax assets:
Accounts receivable		0.8
Accrued expenses	6.1	5.1
Compensation	8.2	4.3
Investments	4.2	2.5
Inventory		2.6
Deferred revenue	4.4	4.3
Net operating loss carryforwards	15.3	15.5
Capital loss carryforwards	0.3	4.3
Foreign tax and other tax credit carryforwards	14.8	8.0
Foreign statutory reserves	4.9	3.6
Warranty reserve	2.9	5.3
Other	1.3	2.0
Gross deferred tax assets	62.4	58.3
Less valuation allowance	(33.7)	(37.2)
Total deferred tax assets	28.7	21.1
Deferred tax liabilities:
Accounts receivable	1.0	0.5
Fixed assets	4.0	4.0
Foreign statutory reserves	12.5	18.2
Investments	2.5
Inventory	0.6	1.3
Intangibles	7.6
Accrued expenses	3.8	0.8
Other	3.0	3.2
Total deferred tax liabilities	35.0	28.0
Net deferred tax liability	$ (6.3)	$ (6.9)