Pension And Other Benefit Programs (Schedule Of Amounts Recognized In Assets And Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Prepaid pension costs	$ 48.7
Accounts payable and accrued expenses	(3.9)	$ (4.0)
Pension benefit liabilities	(54.3)	(31.4)
Net amount recognized	(9.5)	(35.4)
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Prepaid pension costs	7.9	8.3
Accounts payable and accrued expenses	(0.5)	(0.7)
Pension benefit liabilities	(32.0)	(30.7)
Net amount recognized	(24.6)	(23.1)
U.S. Defined-Benefit Retiree Health And Life Insurance Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Accounts payable and accrued expenses	(8.3)	(9.6)
Postretirement benefit liabilities	(84.8)	(87.2)
Net amount recognized	$ (93.1)	$ (96.8)