Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities
Consolidated net income	$ 13.0	$ 47.7
Adjustments to reconcile consolidated net income to net cash used for operating activities:
Foreign currency transaction losses	5.3	1.5
Non-cash interest expense	5.4	5.2
Employee stock compensation	7.3	7.3
Depreciation and amortization of properties	17.8	21.6
Depreciation and amortization of outsourcing assets	31.7	31.9
Amortization of marketable software	21.6	28.6
Other non-cash operating activities	(0.2)	(1.6)
Loss on disposal of capital assets	1.3	0.3
Gain on sale of properties	0.0	(7.1)
Postretirement contributions	(47.7)	(72.9)
Postretirement expense	47.1	38.5
Decrease in deferred income taxes, net	2.7	8.3
Changes in operating assets and liabilities:
Receivables, net	10.1	(21.2)
Inventories	(0.3)	(0.8)
Accounts payable and other accrued liabilities	(140.3)	(152.8)
Other liabilities	16.9	10.8
Other assets	(11.2)	(7.2)
Net cash used for operating activities	(19.5)	(61.9)
Cash flows from investing activities
Proceeds from investments	1,704.1	2,028.8
Purchases of investments	(1,706.9)	(2,034.6)
Investment in marketable software	(37.2)	(41.1)
Capital additions of properties	(20.8)	(9.9)
Capital additions of outsourcing assets	(39.7)	(42.4)
Net proceeds from sale of properties	(0.2)	19.7
Other	(0.4)	(0.9)
Net cash used for investing activities	(101.1)	(80.4)
Cash flows from financing activities
Proceeds from issuance of long-term debt	28.1	0.0
Payments of long-term debt	(10.5)	(1.3)
Other	(4.5)	(2.1)
Net cash provided by (used for) financing activities	13.1	(3.4)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0.9	(17.3)
Decrease in cash, cash equivalents and restricted cash	(106.6)	(163.0)
Cash, cash equivalents and restricted cash, beginning of period	624.1	764.1
Cash, cash equivalents and restricted cash, end of period	$ 517.5	$ 601.1