Notes Payable and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Outstanding Notes Payable And Long Term Debt [Text Block]

	December 31,
(millions of dollars)	2018		2017
Short-term debt
Short-term borrowings	$	32.8	$	68.8
Long-term debt
8.00% Senior notes due 10/01/19 ($134 million par value)	135.4		137.4
4.625% Senior notes due 09/15/20 ($250 million par value)	250.9		251.4
1.80% Senior notes due 11/7/22 (€500 million par value)	570.0		595.7
3.375% Senior notes due 03/15/25 ($500 million par value)	496.6		496.1
7.125% Senior notes due 02/15/29 ($121 million par value)	119.1		118.9
4.375% Senior notes due 03/15/45 ($500 million par value)	493.7		493.5
Term loan facilities and other	14.8		26.5
Total long-term debt	$	2,080.5	$	2,119.5
Less: current portion	139.8		15.8
Long-term debt, net of current portion	$	1,940.7	$	2,103.7

Annual principal payments [Text Block]

(millions of dollars)
2019	$	172.6
2020	257.3
2021	1.3
2022	573.7
2023	0.1
After 2023	1,120.7
Total payments	$	2,125.7
Less: unamortized discounts	12.4
Total	$	2,113.3