Income Tax	9 Months Ended
Feb. 28, 2014
Income Tax Disclosure [Abstract]
Income Tax	INCOME TAX We had a deferred tax asset of $95.7 million at February 28, 2014 primarily associated with the purchase of the remaining 49% interest in GPUK LLP (f.k.a. HSBC Merchant Services LLP) in fiscal 2010 ("U.K. Deferred Tax Asset"). Our effective tax rates were 28.3% and 27.2% for the three months ended February 28, 2014 and February 28, 2013, respectively. Our effective tax rates were 28.4% and 28.6% for the nine months ended February 28, 2014 and February 28, 2013, respectively. The effective tax rates for the nine months ended February 28, 2014 and February 28, 2013 reflect reductions to our U.K. Deferred Tax Asset due to enacted corporate tax rate reductions in the United Kingdom of 3% and 2%, respectively. As of February 28, 2014 and May 31, 2013, Other long-term liabilities included liabilities for unrecognized income tax benefits of $65.2 million and $53.8 million, respectively. During the three months ended February 28, 2014, we recognized an increase in liabilities of $3.0 million for unrecognized income tax benefits. During the nine months ended February 28, 2014, we recognized an increase in liabilities of $11.4 million for unrecognized income tax benefits. During the three and nine months ended February 28, 2014 and February 28, 2013, amounts recorded for accrued interest and penalty expense related to the unrecognized income tax benefits were insignificant. We conduct business globally and file income tax returns in the United States federal jurisdiction and various state and foreign jurisdictions. In the normal course of business, we are subject to examination by taxing authorities throughout the world, including such major jurisdictions as the United States, the United Kingdom and Canada. We are no longer subject to income tax examinations for years ended on or before May 31, 2006. We completed an audit with the United States Internal Revenue Service ("IRS") for fiscal years 2011 and 2010 with no significant adjustments, after which we are no longer subject to U.S. federal income tax examinations by the IRS for fiscal years prior to 2012.

Income Tax

9 Months Ended

Feb. 28, 2014

INCOME TAX

We had a deferred tax asset of $95.7 million at February 28, 2014 primarily associated with the purchase of the remaining 49% interest in GPUK LLP (f.k.a. HSBC Merchant Services LLP) in fiscal 2010 ("U.K. Deferred Tax Asset").

Our effective tax rates were 28.3% and 27.2% for the three months ended February 28, 2014 and February 28, 2013, respectively. Our effective tax rates were 28.4% and 28.6% for the nine months ended February 28, 2014 and February 28, 2013, respectively. The effective tax rates for the nine months ended February 28, 2014 and February 28, 2013 reflect reductions to our U.K. Deferred Tax Asset due to enacted corporate tax rate reductions in the United Kingdom of 3% and 2%, respectively.

As of February 28, 2014 and May 31, 2013, Other long-term liabilities included liabilities for unrecognized income tax benefits of $65.2 million and $53.8 million, respectively. During the three months ended February 28, 2014, we recognized an increase in liabilities of $3.0 million for unrecognized income tax benefits. During the nine months ended February 28, 2014, we recognized an increase in liabilities of $11.4 million for unrecognized income tax benefits. During the three and nine months ended February 28, 2014 and February 28, 2013, amounts recorded for accrued interest and penalty expense related to the unrecognized income tax benefits were insignificant.

We conduct business globally and file income tax returns in the United States federal jurisdiction and various state and foreign jurisdictions. In the normal course of business, we are subject to examination by taxing authorities throughout the world, including such major jurisdictions as the United States, the United Kingdom and Canada. We are no longer subject to income tax examinations for years ended on or before May 31, 2006. We completed an audit with the United States Internal Revenue Service ("IRS") for fiscal years 2011 and 2010 with no significant adjustments, after which we are no longer subject to U.S. federal income tax examinations by the IRS for fiscal years prior to 2012.