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Leases (Tables)
3 Months Ended
Jun. 30, 2020
Leases [Abstract]  
Supplemental Cash Flow Information SUPPLEMENTAL CASH FLOW INFORMATION
Six Months Ended June 30,
 20202019
Supplemental schedule of cash flow information:  
Cash paid during period for:  
Interest$111.5  $123.8  
Income taxes, net of refunds15.1  119.6  
Disclosure of non-cash financing and investing activities:  
Conversion of zero-coupon convertible debt—  7.2  
Change in accrued property, plant and equipment(17.1) (12.5) 
Floating rate secured note receivable due 2022 from the sale of CRP—  110.0