Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities
Consolidated net income	$ 23.9	$ 33.2
Adjustments to reconcile consolidated net income to net cash flows from operating activities:
Depreciation and amortization	34.2	23.5
Deferred income taxes	0.9	(0.4)
Stock-based compensation expense	7.3	10.0
Provision for bad debt	1.5	0.5
Equity in net loss of unconsolidated entities	0.8	1.5
Other, net	9.0	3.2
Changes in operating assets and liabilities:
Accounts receivable	(2.3)	(2.0)
Accounts payable and accrued liabilities	(1.4)	(3.5)
Accrued compensation and deferred commissions	(60.0)	(47.8)
Income taxes, current	0.7	8.5
Deferred revenue	36.1	37.9
Other assets and liabilities	(2.0)	(5.6)
Cash provided by operating activities	48.7	59.0
Investing activities
Purchases of investment securities	(13.3)	(8.9)
Proceeds from maturities and sales of investment securities	14.0	8.9
Capital expenditures	(15.1)	(18.7)
Acquisitions, net of cash acquired	4.5	0.0
Purchases of equity- and cost-method investments	(0.5)	(1.1)
Other, net	(0.1)	0.3
Cash used for investing activities	(19.5)	(19.5)
Financing activities
Common shares repurchased	(20.0)	(4.9)
Dividends paid	(12.9)	(11.9)
Proceeds from long-term debt	55.0	0.0
Repayment of long-term debt	(37.8)	(40.0)
Proceeds from stock-option exercises	0.1	0.0
Employee taxes paid from withholding of restricted stock units	(10.7)	(4.6)
Other, net	(0.6)	0.7
Cash used for financing activities	(26.9)	(60.7)
Effect of exchange rate changes on cash and cash equivalents	(13.9)	1.0
Net decrease in cash and cash equivalents	(11.6)	(20.2)
Cash and cash equivalents—beginning of period	334.1	369.3
Cash and cash equivalents—end of period	322.5	349.1
Supplemental disclosure of cash flow information:
Cash paid for income taxes	6.8	3.4
Cash paid for interest	3.7	1.1
Supplemental information of non-cash investing and financing activities:
Unrealized gain (loss) on available-for-sale investments	$ (5.1)	$ 2.0