Stockholders' Equity And Accumulated Other Comprehensive (Loss) Earnings (Schedule Of Accumulated Other Comprehensive (Loss) Earnings) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	$ (5.1)	$ (21.1)	$ 11.9
Other comprehensive income before reclassifications	(18.3)
Amounts reclassified from accumulated other comprehensive income	(11.8)
Net other comprehensive (loss) earnings	(30.1)	16.0	(33.0)
Balance at end of period	(35.2)	(5.1)	(21.1)
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	(5.6)	(20.3)	8.9
Other comprehensive income before reclassifications	(21.3)
Amounts reclassified from accumulated other comprehensive income	(10.7)
Net other comprehensive (loss) earnings	(32.0)	14.7	(29.2)
Balance at end of period	(37.6)	(5.6)	(20.3)
Pension Or Other Postretirement Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	(0.7)	(0.9)	1.8
Other comprehensive income before reclassifications	2.1
Amounts reclassified from accumulated other comprehensive income	0
Net other comprehensive (loss) earnings	2.1	0.2	(2.7)
Balance at end of period	1.4	(0.7)	(0.9)
Net Unrealized Gain (Loss) On Marketable Securities - OTTI [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	0.1	0.7	0.6
Other comprehensive income before reclassifications	0.1
Amounts reclassified from accumulated other comprehensive income	(0.1)
Net other comprehensive (loss) earnings	0	(0.6)	0.1
Balance at end of period	0.1	0.1	0.7
Net Unrealized Gain (Loss) On Marketable Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	2.0	(0.6)	0.6
Other comprehensive income before reclassifications	(0.1)
Amounts reclassified from accumulated other comprehensive income	(1.0)
Net other comprehensive (loss) earnings	(1.1)	2.6	(1.2)
Balance at end of period	0.9	2.0	(0.6)
Net Unrealized (Loss) Gain On Cash Flow Hedge [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	(0.9)	0	0
Other comprehensive income before reclassifications	0.9
Amounts reclassified from accumulated other comprehensive income	0
Net other comprehensive (loss) earnings	0.9	(0.9)	0
Balance at end of period	$ 0	$ (0.9)	$ 0