Affiliated Companies (Textuals) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
Unremitted income of affiliated companies	$ 56.2	$ 51.2	$ 46.7
Dividends received from affiliated companies	0.8	0.8	0.6
Purchases and royalty payments made to affiliates	65.8	68.9	74.5
Amount due and payable to affiliates	10.1	5.9
Sales to affiliates	5.3	5.1	5.9
Amount receivable from affiliates	0.5	0.6
Equity method investments	56.3	57.1
Cost method investment	5.0	3.5
Daikyo Seiko, Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Equity in unrealized (gains) losses in securities available-for-sale and derivative instruments	$ (5.4)	$ (4.7)	$ (4.3)