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Supplemental Cash Flow (Notes)
9 Months Ended
Jun. 30, 2019
Supplemental Cash Flow [Abstract]  
Cash Flow, Supplemental Disclosures [Text Block] . Supplemental Cash Flow Information
Cash paid for Interest and Income Taxes:
 
Three Months Ended June 30,
 
Nine Months Ended June 30,
 
2019
 
2018
 
2019
 
2018
 
(Dollars in thousands)
Interest paid
$
22,657

 
$
22,536

 
$
63,411

 
$
71,244

Income taxes paid
$
7,058

 
$
2,530

 
$
14,272

 
$
9,895


Non-Cash Investing and Financing Activities:
From time to time, we issue shares of our common stock in connection with our business and asset acquisitions, including shares issued as payment for acquisitions, shares initially held in escrow, and shares issued as payment for contingent consideration, as more fully described in Note 5.