Business And Summary Of Significant Accounting Policies (Components of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Income Loss [Roll Forward]
Balance at beginning of year	$ (1,433.7)	$ 214.5	$ (59.2)
Increase (decrease)	(865.1)	(1,747.7)	638.2
Income tax impact	(27.6)	160.3	(260.0)
Other comprehensive income (loss), before reclassifications, net of income taxes	(892.7)	(1,587.4)	378.2
Increase (decrease)	21.1	(99.1)	(169.5)
Income tax impact	(5.9)	38.3	65.0
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	15.2	(60.8)	(104.5)
Net current period other comprehensive income (loss), net of income taxes	(877.5)	(1,648.2)	273.7
Balance at end of year	(2,311.2)	(1,433.7)	214.5
Foreign currency translation adjustments
Accumulated Other Comprehensive Income Loss [Roll Forward]
Balance at beginning of year	(821.8)	413.2	475.3
Increase (decrease)	(975.6)	(1,235.0)	(62.1)
Income tax impact	0.0	0.0	0.0
Other comprehensive income (loss), before reclassifications, net of income taxes	(975.6)	(1,235.0)	(62.1)
Increase (decrease)	0.0	0.0	0.0
Income tax impact	0.0	0.0	0.0
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	0.0	0.0	0.0
Net current period other comprehensive income (loss), net of income taxes	(975.6)	(1,235.0)	(62.1)
Balance at end of year	(1,797.4)	(821.8)	413.2
Pension and postretirement plan benefit adjustments
Accumulated Other Comprehensive Income Loss [Roll Forward]
Balance at beginning of year	(727.8)	(366.7)	(655.7)
Increase (decrease)	69.8	(552.0)	424.0
Income tax impact	(12.3)	175.1	(155.5)
Other comprehensive income (loss), before reclassifications, net of income taxes	57.5	(376.9)	268.5
Increase (decrease)	33.5	23.5	32.0
Income tax impact	(10.5)	(7.7)	(11.5)
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	23.0	15.8	20.5
Net current period other comprehensive income (loss), net of income taxes	80.5	(361.1)	289.0
Balance at end of year	(647.3)	(727.8)	(366.7)
Unrealized gain (loss) on available-for-sale securities
Accumulated Other Comprehensive Income Loss [Roll Forward]
Balance at beginning of year	115.9	168.0	121.2
Increase (decrease)	40.7	39.3	276.3
Income tax impact	(15.3)	(14.8)	(104.5)
Other comprehensive income (loss), before reclassifications, net of income taxes	25.4	24.5	171.8
Increase (decrease)	(12.4)	(122.6)	(201.5)
Income tax impact	4.6	46.0	76.5
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	(7.8)	(76.6)	(125.0)
Net current period other comprehensive income (loss), net of income taxes	17.6	(52.1)	46.8
Balance at end of year	$ 133.5	$ 115.9	$ 168.0