Goodwill And Other Acquisition Intangibles (Estimated Future Amortization Expense For The Next Five Years) (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012
Goodwill And Intangible Assets [Line Items]
2012, Intangibles Amortization Expense	$ 3.2
2013, Intangibles Amortization Expense	2.6
2014, Intangibles Amortization Expense	2.2
2015, Intangibles Amortization Expense	2.1
2016, Intangibles Amortization Expense	1.8
2017, Intangibles Amortization Expense	$ 0.9