Income Taxes	6 Months Ended
Apr. 30, 2013
Income Tax Disclosure [Abstract]
Income Taxes	NOTE 12 — INCOME TAXES The effective tax rate was 30.6% and 28.9% for the three months ended April 30, 2013 and 2012, respectively; and 31.3% and 30.3% for the six months ended April 30, 2013 and 2012, respectively. Income tax expense was $18.9 million and $15.1 million for the three months ended April 30, 2013 and 2012, respectively; and $31.4 million and $26.1 million for the six months ended April 30, 2013 and 2012, respectively. The increase was attributable to higher income and an increase in the proportion of income generated in the United States, which is a higher tax jurisdiction. The Company has estimated the reasonably possible net change in its unrecognized tax benefits through April 30, 2014 under ASC 740, “Income Taxes”. The Company’s estimate is based on expected settlements, payments of uncertain tax positions and lapses of applicable statues of limitations, and includes an unfavorable court decision related to a fully reserved foreign controversy for tax years ending October 31, 2001 through October 31, 2007. The resolution of the foreign controversy will be offset by the utilization of tax losses. The estimated net decrease in unrecognized tax benefits for the next 12 months ranges from approximately $17.8 million to $28.0 million. Actual results may differ materially from this estimate.

Income Taxes

6 Months Ended

Apr. 30, 2013

NOTE 12 — INCOME TAXES

The effective tax rate was 30.6% and 28.9% for the three months ended April 30, 2013 and 2012, respectively; and 31.3% and 30.3% for the six months ended April 30, 2013 and 2012, respectively. Income tax expense was $18.9 million and $15.1 million for the three months ended April 30, 2013 and 2012, respectively; and $31.4 million and $26.1 million for the six months ended April 30, 2013 and 2012, respectively. The increase was attributable to higher income and an increase in the proportion of income generated in the United States, which is a higher tax jurisdiction.

The Company has estimated the reasonably possible net change in its unrecognized tax benefits through April 30, 2014 under ASC 740, “Income Taxes”. The Company’s estimate is based on expected settlements, payments of uncertain tax positions and lapses of applicable statues of limitations, and includes an unfavorable court decision related to a fully reserved foreign controversy for tax years ending October 31, 2001 through October 31, 2007. The resolution of the foreign controversy will be offset by the utilization of tax losses. The estimated net decrease in unrecognized tax benefits for the next 12 months ranges from approximately $17.8 million to $28.0 million. Actual results may differ materially from this estimate.