Changes in AOCI (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Beginning Balance	$ (61.3)	$ (138.8)	$ (54.6)	$ (82.1)
Change in Other Comprehensive Income	8.4	(12.8)	1.5	(71.8)
Amounts reclassified from AOCI	5.6	1.7	5.8	4.0
Net current period other comprehensive income/(loss)	3.1	(1.5)	3.1	(3.5)
Ending Balance	(47.3)	(149.9)	(47.3)	(149.9)
Gains Losses On Cash Flow and Net Investment Hedges [Member]
Beginning Balance	(0.6)	(1.7)	1.5	(2.9)
Change in Other Comprehensive Income	(1.6)	(0.3)	(3.7)	0.5
Amounts reclassified from AOCI	0	0.1	0	0.5
Net current period other comprehensive income/(loss)	(1.6)	(0.2)	(3.7)	1.0
Ending Balance	(2.2)	(1.9)	(2.2)	(1.9)
Pension And Other Retirement Benefits [Member]
Beginning Balance	(53.0)	(88.2)	(53.2)	(90.1)
Change in Other Comprehensive Income	(4.1)	0.5	(4.1)	0.5
Amounts reclassified from AOCI	1.2	1.6	1.4	3.5
Net current period other comprehensive income/(loss)	(2.9)	2.1	(2.7)	4.0
Ending Balance	(55.9)	(86.1)	(55.9)	(86.1)
Foreign Currency Translation Adjustments [Member]
Beginning Balance	(7.7)	(48.9)	(2.9)	10.9
Change in Other Comprehensive Income	14.1	(13.0)	9.3	(72.8)
Amounts reclassified from AOCI	4.4	0	4.4	0
Net current period other comprehensive income/(loss)	18.5	(13.0)	13.7	(72.8)
Ending Balance	$ 10.8	$ (61.9)	$ 10.8	$ (61.9)