Supplementary Data Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Accrued Liabilities [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued Liabilities

The following table presents the components of accrued liabilities.

	December 31,
	2019		2018
Salaries, benefits and related expenses	$	494.1	$	494.9
Acquisition obligations	45.7		65.7
Office and related expenses	26.9		52.2
Interest	38.8		43.6
Restructuring charges	1.6		0.0
Other	135.7		150.5
Total accrued liabilities	$	742.8	$	806.9