Geographic, Financial and Other Information - Schedule of Net Sales and Long-Lived Assets by Geographic Area (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 339.4	$ 347.0	$ 1,021.4	$ 1,034.8
Long-Lived Assets, net	487.2		487.2		480.2
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	185.8	192.0	581.8	580.6
Percentage of net sales by geographic location (percent)	55.00%	55.00%	57.00%	56.00%
Long-Lived Assets, net	441.0		441.0		431.7
Percentage of long lived assets, net by geographic location (percent)	91.00%		91.00%		90.00%
Outside Of The United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	153.6	155.0	439.6	454.2
Percentage of net sales by geographic location (percent)	45.00%	45.00%	43.00%	44.00%
Long-Lived Assets, net	$ 46.2		$ 46.2		$ 48.5
Percentage of long lived assets, net by geographic location (percent)	9.00%		9.00%		10.00%