Restructuring, Impairment and Other Charges - Schedule of Changes in the Restructuring Reserve (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Cost And Reserve [Line Items]
Balance at the beginning			$ 77.6
Restructuring Charges	9.9	25.5	43.8	60.2
Foreign Exchange and Other			1.9
Cash Paid			(54.2)
Balance at the end	69.1		69.1
Employee terminations
Restructuring Cost And Reserve [Line Items]
Balance at the beginning			19.7
Restructuring Charges			27.8
Foreign Exchange and Other			1.0
Cash Paid			(31.2)
Balance at the end	17.3		17.3
Multi-employer pension plan withdrawal obligations
Restructuring Cost And Reserve [Line Items]
Balance at the beginning			36.8
Restructuring Charges			2.6
Foreign Exchange and Other			(0.6)
Cash Paid			(3.4)
Balance at the end	35.4		35.4
Lease terminations and other
Restructuring Cost And Reserve [Line Items]
Balance at the beginning			21.1
Restructuring Charges			13.4
Foreign Exchange and Other			1.5
Cash Paid			(19.6)
Balance at the end	$ 16.4		$ 16.4