XML 17 R86.htm IDEA: XBRL DOCUMENT v2.4.0.8
Segments and Other Geographic Information (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Jul. 31, 2013
Apr. 30, 2013
Jan. 31, 2013
Oct. 31, 2012
Jul. 31, 2012
Jul. 01, 2012
Apr. 30, 2012
Jan. 31, 2012
Oct. 31, 2011
Jul. 31, 2013
Jul. 31, 2012
Jul. 31, 2011
Segment Reporting Information, Profit (Loss) [Abstract]                        
Revenues $ 263,697 [1] $ 277,638 [1] $ 266,185 [1] $ 238,866 [1] $ 226,556 [1] $ 226,556 [1] $ 244,105 [1] $ 227,904 [1] $ 225,626 [1] $ 1,046,386 $ 924,191 $ 872,246
Other
                        
Segment Reporting Information, Profit (Loss) [Abstract]                        
Revenues                   11,170      
International Total
                        
Segment Reporting Information, Profit (Loss) [Abstract]                        
Revenues                   228,945 199,322 197,504
Operating segments | North America
                        
Segment Reporting Information, Profit (Loss) [Abstract]                        
Revenues                   826,030 731,495 681,274
Operating segments | United Kingdom
                        
Segment Reporting Information, Profit (Loss) [Abstract]                        
Revenues                   $ 209,186 $ 192,696 $ 190,972
[1] Earnings per share were computed independently for each of the periods presented; therefore, the sum of the earnings per share amounts for the quarters may not equal the total for the year.