Restructuring Reserve (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Restructuring Cost And Reserve [Line Items]
Balance at the beginning	$ 78.5
Restructuring Charges	34.7
Foreign Exchange and Other	0.3
Cash Paid	(34.5)
Balance at the end	79.0
Employee terminations
Restructuring Cost And Reserve [Line Items]
Balance at the beginning	23.4
Restructuring Charges	16.1
Foreign Exchange and Other	(0.3)
Cash Paid	(18.6)
Balance at the end	20.6
Multi-employer pension plan withdrawal obligations
Restructuring Cost And Reserve [Line Items]
Balance at the beginning	25.1
Restructuring Charges	10.6
Foreign Exchange and Other	(0.1)
Cash Paid	(1.3)
Balance at the end	34.3
Lease terminations and other
Restructuring Cost And Reserve [Line Items]
Balance at the beginning	30.0
Restructuring Charges	8.0
Foreign Exchange and Other	0.7
Cash Paid	(14.6)
Balance at the end	$ 24.1