|9 Months Ended
Sep. 30, 2014
|Income Tax Disclosure [Abstract]
7. INCOME TAXES
We are subject to U.S. federal, state and international income taxes. We are generally no longer subject to federal, state, or international income tax examinations by tax authorities for years ending prior to December 31, 2008, with few exceptions. Due to the potential for resolution of state and foreign examinations, and the expiration of various statutes of limitations, it is reasonably possible that our gross unrecognized tax benefit balance may change within the next twelve months by a range of $0 to $5.3 million.
Effective Tax Rate. Our effective income tax rate was 32.5% for the three months ended September 30, 2014, down from 35.3% for the same period in 2013. The decline was due primarily to increased discrete tax benefits related to federal and state tax items and a more favorable foreign rate differential as compared with the third quarter of 2013. The effective income tax rate was relatively flat for the nine months ended September 30, 2014 as compared to the prior period.
The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.
Reference 1: http://www.xbrl.org/2003/role/presentationRef