CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Nov. 30, 2018	Nov. 30, 2017
Cash flows - operating activities:
Net income (loss)	$ 10.3	$ (6.6)
Adjustments to reconcile Net income (loss) to net cash provided by (used in) operating activities:
Provision for losses on accounts receivable	4.1	6.2
Provision for losses on inventory	7.7	7.2
Provision for losses on royalty advances	2.0	2.2
Amortization of prepublication and production costs	10.7	10.9
Depreciation and amortization	29.1	20.5
Pension settlement	0.0	15.4
Amortization of pension and postretirement actuarial gains and losses	0.4	1.2
Deferred income taxes	(0.3)	6.2
Stock-based compensation	5.2	7.5
Income from equity investments	(4.5)	(2.7)
Write off related to asset impairments	0.0	6.7
Changes in assets and liabilities:
Accounts receivable	(147.5)	(67.9)
Inventories	(82.8)	(78.3)
Prepaid expenses and other current assets	(16.8)	(16.5)
Income tax receivable	7.1	(7.7)
Royalty advances	(6.3)	(6.7)
Accounts payable	62.7	71.2
Other accrued expenses	(0.9)	(4.4)
Returns liability	50.4	0.0
Accrued income taxes	0.3	(0.4)
Accrued royalties	24.2	12.0
Deferred revenue	76.8	57.5
Pension and postretirement obligations	(1.4)	(8.7)
Other noncurrent liabilities	0.9	1.9
Other, net	8.1	1.7
Total adjustments	29.2	35.0
Net cash provided by (used in) operating activities	39.5	28.4
Cash flows - investing activities:
Prepublication and production expenditures	(20.6)	(14.7)
Additions to property, plant and equipment	(51.3)	(54.0)
Other investment and acquisition related payments	(0.6)	(0.2)
Net cash provided by (used in) investing activities	(72.5)	(68.9)
Cash flows - financing activities:
Borrowings under lines of credit	29.3	38.5
Repayments of lines of credit	(23.2)	(32.4)
Repayment of capital lease obligations	(0.7)	(0.6)
Reacquisition of common stock	0.0	(13.3)
Proceeds pursuant to stock-based compensation plans	5.2	3.4
Payment of dividends	(10.6)	(10.6)
Other	0.0	(0.9)
Net cash provided by (used in) financing activities	0.0	(15.9)
Effect of exchange rate changes on cash and cash equivalents	(0.8)	0.1
Net increase (decrease) in cash and cash equivalents	(33.8)	(56.3)
Cash and cash equivalents at beginning of period	391.9	444.1
Cash and cash equivalents at end of period	$ 358.1	$ 387.8