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Guarantor and Non-Guarantor Financial Information - Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS |  |
Net cash provided by (used in) operating activities | $ 72,215 | $ 74,371
INVESTING ACTIVITIES: |  |
Capital expenditures | (91,698) | (82,127)
Purchase of short-term investments | (16,183) | (15,025)
Payment for acquisition of business, net of cash acquired | (47,832) |
Proceeds from sale of short-term investments | 18,120 | 13,900
Proceeds from asset sales | 8,749 | 1,209
Net cash used in investing activities | (128,844) | (82,043)
FINANCING ACTIVITIES: |  |
Dividends paid | (76,503) | (76,176)
Proceeds from stock option exercises | 892 | 10,253
Payments for employee taxes on net settlement of equity awards | (5,471) | (6,073)
Net cash used in financing activities | (81,082) | (71,996)
Net decrease in cash and cash equivalents | (137,711) | (79,668)
Cash and cash equivalents, beginning of period | 521,375 |
Cash and cash equivalents, end of period | 383,664 | 825,893
Guarantor/Parent | Reportable Legal Entities |  |
CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS |  |
Net cash provided by (used in) operating activities | 3,210 | 5,497
INVESTING ACTIVITIES: |  |
Capital expenditures | (2,189) | (607)
Payment for acquisition of business, net of cash acquired | (47,832) |
Intercompany transfers | 50,021 | 607
FINANCING ACTIVITIES: |  |
Intercompany transfers | 76,503 | 76,176
Dividends paid | (76,503) | (76,176)
Proceeds from stock option exercises | 892 | 10,253
Payments for employee taxes on net settlement of equity awards | (5,471) | (6,073)
Net cash used in financing activities | (4,579) | 4,180
Net decrease in cash and cash equivalents | (1,369) | 9,677
Cash and cash equivalents, beginning of period | (587) |
Cash and cash equivalents, end of period | (1,956) | 8,722
Issuer Subsidiary | Reportable Legal Entities |  |
CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS |  |
Net cash provided by (used in) operating activities | 70,962 | 69,380
INVESTING ACTIVITIES: |  |
Capital expenditures | (86,404) | (80,556)
Purchase of short-term investments | (16,183) | (15,025)
Proceeds from sale of short-term investments | 18,120 | 13,900
Intercompany transfers | (50,021) | (607)
Proceeds from asset sales | 8,022 | 1,102
Net cash used in investing activities | (126,466) | (81,186)
FINANCING ACTIVITIES: |  |
Intercompany transfers | (76,503) | (76,176)
Net cash used in financing activities | (76,503) | (76,176)
Net decrease in cash and cash equivalents | (132,007) | (87,982)
Cash and cash equivalents, beginning of period | 508,091 |
Cash and cash equivalents, end of period | 376,084 | 811,046
Non-Guarantor Subsidiaries | Reportable Legal Entities |  |
CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS |  |
Net cash provided by (used in) operating activities | (1,957) | (506)
INVESTING ACTIVITIES: |  |
Capital expenditures | (3,105) | (964)
Proceeds from asset sales | 727 | 107
Net cash used in investing activities | (2,378) | (857)
FINANCING ACTIVITIES: |  |
Net decrease in cash and cash equivalents | (4,335) | (1,363)
Cash and cash equivalents, beginning of period | 13,871 |
Cash and cash equivalents, end of period | $ 9,536 | $ 6,125

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