Income Tax Matters, Tax Uncertainties (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other, settlements from tax audit
Cash tax benefit from settlement of tax audit	$ 7.6
Cash received from settlement of tax audit	6.1
Cash tax benefit from advance pricing agreement	2.9	0	0
Reconciliation of changes in the gross unrecognized tax benefits:
Gross unrecognized tax benefits at beginning of period	15.7	13.7	15.0
Gross increases for tax positions of prior years	0	1.3	0.1
Gross decreases for tax positions of prior years	(7.6)	(0.1)	0
Gross increases for tax positions of current years	0	0.4	0.4
Settlements	0	0	(0.5)
Gross decrease for tax positions relating to lapse of a statute of limitation	(3.3)	0	(0.9)
Foreign currency translation	(1.0)	0.4	(0.4)
Gross unrecognized tax benefits at end of period	3.8	15.7	13.7
Unrecognized tax benefits that would impact effective tax rate if recognized	2.7	14.6
Unrecognized tax benefits, income tax penalties and interest accrued:
Accrued interest and penalties on unrecognized tax benefits	2.3	7.5
Accrued interest and penalties on unrecognized tax benefits, current	0
(Decrease) increase in interest and penalty	(5.2)	0.9
Foreign currency impact on gross unrecognized tax benefit (including interest and penalties) which increased (decreased) Other comprehensive income (loss)	0.2	(0.2)	0.2
Expected gross unrecognized tax benefits to be reduced within the next 12 months	1.6
FIN 48
Unrecognized tax benefits, income tax penalties and interest accrued:
Foreign currency impact on gross unrecognized tax benefit (including interest and penalties) which increased (decreased) Other comprehensive income (loss)	$ 0.7	$ (0.5)	$ 0.3