FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Schedule of Contingent Consideration Liabilities Recorded Using Level 3 Inputs, Amounts Classified as Either Other Current Liabilities or Other Liabilities

Our contingent consideration liabilities are reassessed at the end of every reporting period and are recorded using Level 3 inputs. The amounts are classified as either Other current liabilities or Other liabilities and are presented as follows as of December 31:

In millions
	2019		2018
Other current liabilities	$	0.6	$	2.8
Other liabilities (see Note 8)		7.4		7.5
Total contingent consideration	$	8.0	$	10.3

Estimated Fair Value of Company's Debt Obligations, Using Level 2 Inputs, Compared to Carrying Amount

Fair Value of Debt: The estimated fair value of the Company’s debt obligations, using Level 2 inputs, compared to the carrying amount at December 31 was as follows:

In billions
	2019		2018
Fair value of debt obligations	$	2.73	$	2.75
Carrying value of debt obligations		2.68		2.78

Contingent Consideration Liability

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Changes to Contingent Consideration

Changes to contingent consideration are reflected in the table below:

In millions
Contingent consideration as of January 1, 2018	$	12.4
Purchase accounting adjustments		(0.4	)
Decrease due to payments		(1.3	)
Change in fair value reflected in SG&A		0.2
Other		(0.6	)
Contingent consideration as of December 31, 2018		10.3
Decrease due to payments		(2.3	)
Contingent consideration as of December 31, 2019	$	8.0