INCOME TAXES - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Income Taxes [Line Items]
Effective tax rate	35.70%	34.80%	35.40%	34.90%
Internal Revenue Service (IRS)
Income Taxes [Line Items]
Years open to income tax examinations			Tax years prior to 2008 have been closed and are no longer subject to U.S. federal income tax examinations.
State and Local Jurisdiction
Income Taxes [Line Items]
Years open to income tax examinations			Tax years 2007 through 2009 remain open to state and local examination in various jurisdictions.