Restructuring Reserve (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Restructuring Cost And Reserve [Line Items]
Balance at the beginning	$ 78.5
Restructuring Charges	18.6
Foreign Exchange and Other	0.6
Cash Paid	(16.8)
Balance at the end	80.9
Employee Severance
Restructuring Cost And Reserve [Line Items]
Balance at the beginning	23.4
Restructuring Charges	8.8
Foreign Exchange and Other
Cash Paid	(9.1)
Balance at the end	23.1
Withdrawal from Multiemployer Defined Benefit Plan
Restructuring Cost And Reserve [Line Items]
Balance at the beginning	25.1
Restructuring Charges	5.5
Foreign Exchange and Other
Cash Paid	(0.7)
Balance at the end	29.9
Lease Terminations And Other
Restructuring Cost And Reserve [Line Items]
Balance at the beginning	30.0
Restructuring Charges	4.3
Foreign Exchange and Other	0.6
Cash Paid	(7.0)
Balance at the end	$ 27.9