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Guarantor Subsidiaries And Non-Guarantor Subsidiaries (Supplemental Condensed Consolidating Statement Of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
--- | ---
Apr. 30, 2014 | Apr. 30, 2013
Net cash (used in) provided by operating activities | $ 306,197 | $ 291,345
Capital expenditures | (108,100) | (65,461)
Acquisition of businesses | 0 | (19,958)
Other investing activities, net | 920 | 861
Net cash used in investing activities | (107,180) | (84,558)
Proceeds from Issuance of Other Long-term Debt | 0 | 96,000
Repayments of Long-term Debt | (977) | (96,989)
Dividends paid | (29,998) | (20,905)
Other financing activities, net | 732 | 6,778
Advances | 0 | 0
Net cash provided by (used in) financing activities | (30,243) | (15,116)
Effect of exchange rate changes on cash and cash equivalents | 53 | 11
Net increase (decrease) in cash and cash equivalents | 168,827 | 191,682
Beginning of period | 138,604 | 46,053
End of period | 307,431 | 237,735
Parent Company [Member] |  |
Net cash (used in) provided by operating activities | 52,146 | 46,034
Capital expenditures | 0 | 0
Acquisition of businesses |  | 0
Other investing activities, net | 0 | 0
Net cash used in investing activities | 0 | 0
Proceeds from Issuance of Other Long-term Debt |  | 0
Repayments of Long-term Debt | 0 | 0
Dividends paid | (29,998) | (20,905)
Other financing activities, net | 3,880 | 3,986
Advances | (26,028) | (29,115)
Net cash provided by (used in) financing activities | (52,146) | (46,034)
Effect of exchange rate changes on cash and cash equivalents | 0 | 0
Net increase (decrease) in cash and cash equivalents | 0 | 0
Beginning of period | 0 | 0
End of period | 0 | 0
100% Owned Guarantor Subsidiaries [Member] |  |
Net cash (used in) provided by operating activities | 252,610 | 244,970
Capital expenditures | (107,208) | (64,765)
Acquisition of businesses |  | (19,958)
Other investing activities, net | 912 | 943
Net cash used in investing activities | (106,296) | (83,780)
Proceeds from Issuance of Other Long-term Debt |  | 96,000
Repayments of Long-term Debt | (758) | (96,781)
Dividends paid | 0 | 0
Other financing activities, net | (3,891) | 2,608
Advances | 26,028 | 29,065
Net cash provided by (used in) financing activities | 21,379 | 30,892
Effect of exchange rate changes on cash and cash equivalents | (21) | (33)
Net increase (decrease) in cash and cash equivalents | 167,672 | 192,049
Beginning of period | 130,970 | 38,380
End of period | 298,642 | 230,429
Other Subsidiaries [Member] |  |
Net cash (used in) provided by operating activities | 1,441 | 341
Capital expenditures | (892) | (696)
Acquisition of businesses |  | 0
Other investing activities, net | 8 | (82)
Net cash used in investing activities | (884) | (778)
Proceeds from Issuance of Other Long-term Debt |  | 0
Repayments of Long-term Debt | (219) | (208)
Dividends paid | 0 | 0
Other financing activities, net | 743 | 184
Advances | 0 | 50
Net cash provided by (used in) financing activities | 524 | 26
Effect of exchange rate changes on cash and cash equivalents | 74 | 44
Net increase (decrease) in cash and cash equivalents | 1,155 | (367)
Beginning of period | 7,634 | 7,673
End of period | $ 8,789 | $ 7,306

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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- Definition Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450594&loc=d3e33268-110906 + Details
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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from other long-term borrowings not otherwise defined in the taxonomy (with maturities initially due beyond one year or the normal operating cycle of the entity, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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