4. Supplemental Cash Flow Information Cash Flow, Supplemental Disclosure - (Tables)

3 Months Ended

Mar. 31, 2021

The reconciliation of net income to net cash provided by operating activities is as follows (in millions):


	Three Months Ended
	March 31, 2021		March 31, 2020
Net income	$	977.4	$	685.9
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	32.7		33.6
Reduction in the carrying amount of right-of-use assets	9.8		9.6
Share-based compensation	11.7		9.7
Gains on dispositions of securities	(0.1)		(0.4)
Other-than-temporary impairment losses on investment	0.8		—
Changes in fair market value of equity securities	(1,179.4)		(827.7)
Losses on dispositions of fixed assets	0.3		0.1
Changes in fair value of contingent consideration	—		(0.1)
Payments for operating lease liabilities	(9.9)		(9.3)
Decrease in accounts receivable	1.3		2.2
Decrease (increase) in inventories	5.8		(13.7)
Increase in other current assets	(37.5)		(9.5)
Decrease in accounts payable and other current liabilities	(44.5)		(25.6)
Increase in income taxes payable	27.3		20.9
Increase in deferred income taxes	274.8		171.8
Increase in other long term liabilities	43.8		15.7
Other	(0.7)		(0.4)
Net cash provided by operating activities	$	113.6	$	62.8

Non-cash investing activities:
Purchased property, plant and equipment	$	4.7	$	6.0
Purchased marketable securities and investments	$	—	$	2.7