OTHER FINANCIAL INFORMATION (Tables)

12 Months Ended

Dec. 31, 2019

OTHER FINANCIAL INFORMATION

Schedule of items reported in earnings

	December 31,		December 31,		December 31,
	2019		2018		2017
Research and development expense	$	198.5	$	165.3	$	166.5
Depreciation expense		57.1		60.4		61.2
Rent expense		81.4		80.4		61.1
Advertising expense		30.3		35.2		32.6

Schedule of items reported in accrued expenses

	December 31,		December 31,
	2019		2018
Deferred revenue	$	160.9	$	170.5
Accrued payroll and other employee compensation		145.4		133.6
Product warranty		43.2		44.9
Litigation reserve (see Note 18)		92.9		60.0
Other (includes liabilities related to lease obligations, see note 8)		425.3		395.3
Total	$	867.7	$	804.3

Schedule of change in the sales returns and allowances and allowance for doubtful accounts

	Year Ended
	December 31,		December 31,		December 31,
	2019		2018		2017
Beginning balance	$	36.0	$	28.3	$	18.0
Provision charged to expense		59.6		55.3		55.3
Deductions		(43.6)		(47.6)		(45.0)
Ending balance	$	52.0	$	36.0	$	28.3

Schedule of change in inventory obsolescence

	December 31,		December 31,		December 31,
	2019		2018		2017
Beginning balance	$	30.6	$	15.3	$	1.2
Provision charged to expense		21.3		20.9		14.4
Write-offs and other		7.8		(5.6)		(0.3)
Ending balance	$	59.7	$	30.6	$	15.3

Schedule of change in the income tax valuation allowance

	December 31,		December 31,		December 31,
	2019		2018		2017
Beginning balance	$	208.0	$	108.5	$	89.0
Additions (reductions) charged to expense		17.0		105.1		1.9
Additions (reductions) charged to other accounts		(19.3)		(5.6)		17.6
Ending balance	$	205.7	$	208.0	$	108.5