CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOW (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
OPERATING ACTIVITIES
Net income	$ 114,670	$ 81,796
Adjustments for non-cash items:
Depreciation	47,807	46,061
Amortization	7,141	7,338
Stock-based compensation expense	13,435	11,995
Restructuring and asset impairment charges (Note 7)	(257)	3,172
Deferred income tax provision	1,512	7,241
Other	2,109	3,474
Changes in certain assets and liabilities:
Accounts receivable	14,026	(3,290)
Inventories	(59,190)	(9,080)
Accounts Payable and accrued liabilities (Note 4)	(82,828)	(92,320)
Accrued income taxes	7,995	3,966
Accrued pension and postretirement benefits	(9,760)	(13,824)
Other	4,841	(5,455)
Net cash flow provided by operating activities	61,501	41,074
INVESTING ACTIVITIES
Purchases of property, plant and equipment (Note 4)	(88,076)	(59,523)
Disposals of property, plant and equipment	2,490	846
Other	89	244
Net cash flow used for investing activities	(85,497)	(58,433)
FINANCING ACTIVITIES
Net increase in notes payable	2,473	643
Net decrease in short-term revolving and other lines of credit	(174)	0
Term debt repayments	(400,000)	(141)
Purchase of capital stock	(107)	(109)
The effect of employee benefit and stock plans and dividend reinvestment	(2,182)	15,020
Cash dividends paid to Shareholders	(32,820)	(32,456)
Other	151	(271)
Net cash flow used for financing activities	(432,659)	(17,314)
Effect of exchange rate changes on cash and cash equivalents	(3,222)	3,984
CASH AND CASH EQUIVALENTS
Net decrease in cash and cash equivalents	(459,877)	(30,689)
Cash and cash equivalents, beginning of period	556,153	190,629
Cash and cash equivalents, end of period	$ 96,276	$ 159,940