Consolidated Statements Of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 584,156	$ 616,232	$ 1,144,989	$ 1,205,451
Cost of sales	469,883	482,282	931,122	948,113
Gross profit	114,273	133,950	213,867	257,338
Selling, general and administrative expenses	85,387	86,444	167,644	172,525
Amortization of acquired intangibles	3,860	4,572	7,765	9,146
Project Terra costs and other	9,872	4,069	20,205	8,919
Chief Executive Officer Succession Plan expense, net	10,148	0	29,701	0
Accounting review and remediation costs, net of insurance proceeds	920	4,451	4,334	3,093
Long-lived asset and intangibles impairment	19,473	3,449	23,709	3,449
Operating (loss) income	(15,387)	30,965	(39,491)	60,206
Interest and other financing expense, net	8,817	6,479	16,522	12,761
Other expense/(income), net	373	(760)	973	(3,887)
(Loss) income from continuing operations before income taxes and equity in net loss (income) of equity-method investees	(24,577)	25,246	(56,986)	51,332
Provision (benefit) for income taxes	4,690	(17,690)	(4,793)	(10,206)
Equity in net loss (income) of equity-method investees	11	(194)	186	(205)
Net (loss) income from continuing operations	(29,278)	43,130	(52,379)	61,743
Net (loss) income from discontinued operations, net of tax	(37,223)	3,973	(51,547)	5,206
Net (loss) income	$ (66,501)	$ 47,103	$ (103,926)	$ 66,949
Net (loss) income per common share:
Basic net income (loss) per common share from continuing operations (USD per share)	$ (0.28)	$ 0.42	$ (0.50)	$ 0.59
Basic net income (loss) per common share from discontinued operations (USD per share)	(0.36)	0.04	(0.50)	0.05
Basic net income (loss) per common share (USD per share)	(0.64)	0.45	(1.00)	0.65
Diluted net income (loss) per common share from continuing operations (USD per share)	(0.28)	0.41	(0.50)	0.59
Diluted net income (loss) per common share from discontinued operations (USD per share)	(0.36)	0.04	(0.50)	0.05
Diluted net income (loss) per common share (USD per share)	$ (0.64)	$ 0.45	$ (1.00)	$ 0.64
Shares used in the calculation of net (loss) income per common share:
Basic (shares)	104,056	103,837	104,009	103,773
Diluted (shares)	104,056	104,440	104,009	104,379