Supplemental Guarantor Information Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Net cash provided by operating activities	$ (18.1)	$ (98.5)
Cash flows from investing activities:
Additions to properties	(225.1)	(198.0)
Proceeds from sales of properties and other assets	1.6	2.4
Other	3.5	1.0
Net cash provided by (used in) investing activities	(220.0)	(194.6)
Cash flows from financing activities:
Exercise of stock options under equity compensation plans	4.0	0.6
Dividends paid	(123.4)	(88.7)
Payments on debt and borrowings	(502.9)	(1,067.2)
Proceeds on debt and borrowings	1.0	0.0
Net proceeds from (payments on) revolving credit facilities and commercial paper	1,025.5	604.3
Change in overdraft balances and other	(5.5)	16.2
Net cash provided by (used in) financing activities	398.7	(534.8)
Cash and cash equivalents:
Balance at beginning of year	523.4
Balance at end of period	666.1
Parent Company [Member]
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Net cash provided by operating activities	(60.8)	32.6
Cash flows from investing activities:
Additions to properties	(4.0)	(2.6)
Proceeds from sales of properties and other assets	0.0	0.0
Other	3.2	0.0
Net intercompany investing activity	(72.0)	9.4
Net cash provided by (used in) investing activities	(72.8)	6.8
Cash flows from financing activities:
Exercise of stock options under equity compensation plans	4.0	0.6
Dividends paid	(113.4)	(81.4)
Payments on debt and borrowings	(500.0)	(1,066.3)
Proceeds on debt and borrowings	0.0
Net proceeds from (payments on) revolving credit facilities and commercial paper	1,025.5	603.4
Change in overdraft balances and other	(0.9)	(2.8)
Net intercompany financing activity	0.0	0.0
Net cash provided by (used in) financing activities	415.2	(546.5)
Cash and cash equivalents:
Net increase (decrease) in cash and cash equivalents	281.6	(507.1)
Effect of foreign exchange rate changes on cash and cash equivalents	0.0	3.0
Balance at beginning of year	15.7	515.8
Balance at end of period	297.3	11.7
Subsidiary Guarantors [Member]
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Net cash provided by operating activities	145.8	70.2
Cash flows from investing activities:
Additions to properties	(170.1)	(127.7)
Proceeds from sales of properties and other assets	0.5	1.4
Other	0.1	(0.3)
Net intercompany investing activity	(3,617.1)	4.1
Net cash provided by (used in) investing activities	(3,786.6)	(122.5)
Cash flows from financing activities:
Exercise of stock options under equity compensation plans	0.0	0.0
Dividends paid	0.0	(29.5)
Payments on debt and borrowings	(0.1)	(0.1)
Proceeds on debt and borrowings	0.0
Net proceeds from (payments on) revolving credit facilities and commercial paper	0.0	0.0
Change in overdraft balances and other	(34.3)	(4.7)
Net intercompany financing activity	3,659.7	(46.2)
Net cash provided by (used in) financing activities	3,625.3	(80.5)
Cash and cash equivalents:
Net increase (decrease) in cash and cash equivalents	(15.5)	(132.8)
Effect of foreign exchange rate changes on cash and cash equivalents	(5.8)	3.2
Balance at beginning of year	119.6	156.1
Balance at end of period	98.3	26.5
Subsidiary Non Guarantors [Member]
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Net cash provided by operating activities	(103.1)	(171.8)
Cash flows from investing activities:
Additions to properties	(51.0)	(67.7)
Proceeds from sales of properties and other assets	1.1	1.0
Other	0.2	1.3
Net intercompany investing activity	(3,587.7)	35.8
Net cash provided by (used in) investing activities	(3,637.4)	(29.6)
Cash flows from financing activities:
Exercise of stock options under equity compensation plans	0.0	0.0
Dividends paid	(10.0)	(7.3)
Payments on debt and borrowings	(2.8)	(0.8)
Proceeds on debt and borrowings	1.0
Net proceeds from (payments on) revolving credit facilities and commercial paper	0.0	0.9
Change in overdraft balances and other	29.7	23.7
Net intercompany financing activity	3,617.1	(3.1)
Net cash provided by (used in) financing activities	3,635.0	13.4
Cash and cash equivalents:
Net increase (decrease) in cash and cash equivalents	(105.5)	(188.0)
Effect of foreign exchange rate changes on cash and cash equivalents	(12.1)	(1.8)
Balance at beginning of year	388.1	386.0
Balance at end of period	270.5	196.2
Consolidated [Member]
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Net cash provided by operating activities	(18.1)	(98.5)
Cash flows from investing activities:
Additions to properties	(225.1)	(198.0)
Proceeds from sales of properties and other assets	1.6	2.4
Other	3.5	1.0
Net intercompany investing activity	0.0	0.0
Net cash provided by (used in) investing activities	(220.0)	(194.6)
Cash flows from financing activities:
Exercise of stock options under equity compensation plans	4.0	0.6
Dividends paid	(123.4)	(88.7)
Payments on debt and borrowings	(502.9)	(1,067.2)
Proceeds on debt and borrowings	1.0
Net proceeds from (payments on) revolving credit facilities and commercial paper	1,025.5	604.3
Change in overdraft balances and other	(5.5)	16.2
Net intercompany financing activity	0.0	0.0
Net cash provided by (used in) financing activities	398.7	(534.8)
Cash and cash equivalents:
Net increase (decrease) in cash and cash equivalents	160.6	(827.9)
Effect of foreign exchange rate changes on cash and cash equivalents	(17.9)	4.4
Balance at beginning of year	523.4	1,057.9
Balance at end of period	666.1	234.4
Consolidation, Eliminations [Member]
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Net cash provided by operating activities	0.0	(29.5)
Cash flows from investing activities:
Additions to properties	0.0	0.0
Proceeds from sales of properties and other assets	0.0	0.0
Other	0.0	0.0
Net intercompany investing activity	7,276.8	(49.3)
Net cash provided by (used in) investing activities	7,276.8	(49.3)
Cash flows from financing activities:
Exercise of stock options under equity compensation plans	0.0	0.0
Dividends paid	0.0	29.5
Payments on debt and borrowings	0.0	0.0
Proceeds on debt and borrowings	0.0
Net proceeds from (payments on) revolving credit facilities and commercial paper	0.0	0.0
Change in overdraft balances and other	0.0	0.0
Net intercompany financing activity	(7,276.8)	49.3
Net cash provided by (used in) financing activities	(7,276.8)	78.8
Cash and cash equivalents:
Net increase (decrease) in cash and cash equivalents	0.0	0.0
Effect of foreign exchange rate changes on cash and cash equivalents	0.0	0.0
Balance at beginning of year	0.0	0.0
Balance at end of period	$ 0.0	$ 0.0