Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Detail)

v2.4.0.6
Commitments And Contingencies (Detail) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Loss Contingencies [Line Items]  
Assessment including penalties and interest $ 22.6
Sales Tax Audit [Member]
 
Loss Contingencies [Line Items]  
Contingent liability/reserve 0
Other Legal Matters [Member]
 
Loss Contingencies [Line Items]  
Contingent liability/reserve $ 0