Earnings Per Share - Computation of Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Numerator
Net earnings	$ 67,657	$ 87,900	$ 142,121	$ 134,166
Deduct Series A preferred stock dividends	(16,703)	(6,900)	(33,785)	(13,340)
Net Earnings available to the Common Shareholders	50,954	81,000	108,336	120,826
Add back interest on II-VI Convertible Notes (net of tax)	577	3,066	1,079	6,132
Diluted earnings available to common shareholders	$ 51,531	$ 84,066	$ 109,415	$ 126,958
Denominator
Weighted average shares (in shares)	106,158	104,092	105,960	103,450
Effect of dilutive securities:
Common stock equivalents (in shares)	2,952	3,630	2,854	3,034
II-VI Convertible Notes (in shares)	7,330	7,331	7,330	7,331
Diluted weighted average common shares (in shares)	116,440	115,053	116,144	113,815
Basic earnings (loss) per common share (in usd per share)	$ 0.48	$ 0.78	$ 1.02	$ 1.17
Diluted earnings (loss) per common share (in usd per share)	$ 0.44	$ 0.73	$ 0.94	$ 1.12
Series A Preferred Stock
Numerator
Deduct Series A preferred stock dividends	$ (6,900)	$ (6,900)	$ (13,800)	$ (13,340)
Preferred Shares
Numerator
Deduct Series B dividends and deemed dividends	$ (9,803)	$ 0	$ (19,985)	$ 0