Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES

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INCOME TAXES
3 Months Ended
Mar. 31, 2016
Income Tax Disclosure [Abstract]  
INCOME TAXES
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 before 2011 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 $9.1 million.
 
Effective Tax Rate.       Our effective income tax rate was 33.5% and 34.9% for the three months ended March 31, 2016 and March 31, 2015, respectively. In 2016, our foreign rate differential is more favorable than 2015 due to higher earnings in lower tax jurisdictions and the rationalization of the structure of foreign subsidiaries. In addition, the state income tax rate is lower in 2016 compared to 2015.