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SUPPLEMENTAL CASH FLOW INFORMATION

12 Months Ended

Dec. 31, 2016

Non-cash investing and financing activities and other supplemental cash flow information follows (in millions):



	2016		2015		2014
Accrued but unpaid additions to property and equipment at December 31	$	21.0	$	32.2	$	48.6
Cash interest payments in excess of interest capitalized	159.2		143.8		78.7
Income tax payments (refunds), net	38.1		37.5		8.5