Supplementary Data Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Accrued Liabilities [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued Liabilities

The following table presents the components of accrued liabilities.

	December 31,
	2018		2017
Salaries, benefits and related expenses	$	494.9	$	441.7
Acquisition obligations	65.7		42.0
Office and related expenses	52.2		53.2
Interest	43.6		16.4
Other	150.5		121.4
Total accrued liabilities	$	806.9	$	674.7