SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
FOREIGN CURRENCIES
Foreign currency remeasurement and transaction gains (losses)	$ 2,800	$ (800)	$ 700
Consolidated Balance Sheets
Prepaid expenses and other	72,117	80,912
Total current assets	1,439,007	1,277,001
Other assets	41,416	18,809
Total assets	7,152,012	6,720,998
Long-term debt due within one year	39,094	39,635
Total current liabilities	351,228	507,161
Long-term debt	492,443	39,502
Total noncurrent liabilities	1,903,332	1,322,860
Total liabilities and shareholders' equity	$ 7,152,012	6,720,998
Previously Reported
Consolidated Balance Sheets
Prepaid expenses and other		81,277
Total current assets		1,277,366
Other assets		19,307
Total assets		6,721,861
Long-term debt due within one year		40,000
Total current liabilities		507,526
Long-term debt		40,000
Total noncurrent liabilities		1,323,358
Total liabilities and shareholders' equity		6,721,861
Effect of Accounting Principle Change
Consolidated Balance Sheets
Prepaid expenses and other		(365)
Total current assets		(365)
Other assets		(498)
Total assets		(863)
Long-term debt due within one year		(365)
Total current liabilities		(365)
Long-term debt		(498)
Total noncurrent liabilities		(498)
Total liabilities and shareholders' equity		$ (863)