Subsequent Events (Narrative) (Detail) (Subsequent Event, USD $) In Millions, unless otherwise specified	1 Months Ended
	Jul. 31, 2012	Jul. 20, 2012
Subsequent Event
Subsequent Event [Line Items]
Approximate value of transaction cost		$ 439.0
Sale of pressure sensitive adhesives ("PSA") product line	105.0
Working capital included in sale	$ 15.0