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STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Jun. 30, 2021

STOCKHOLDERS' EQUITY

Schedule of stock-based compensation expense in the consolidated statements of operations

We recorded stock-based compensation expense in the consolidated statements of operations as follows (in thousands):

​

​	​	​	​	​	​	​	​	​	​
​		2019			2020			2021
Cost of goods sold	​	$	732	​	$	708	​	$	760
Selling, general and administrative	​		23,876	​		22,546	​		25,457
Research and development	​		643	​		563	​		554
Stock-based compensation expense	​	$	25,251	​	$	23,817	​	$	26,771

Schedule of weighted average assumptions used to determine the fair value calculations for stock options issued

​

​	​	​	​	​	​	​	​
​		2019		2020		2021
Expected dividend		—	​	—	​	—	​
Risk-free interest rate		2.6	%	1.6	%	0.4	%
Expected volatility		28.0	%	26.0	%	26.0	%
Expected holding period (in years)		4.5	​	4.5	​	4.5	​

Summary of stock option activity

​

​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	Weighted-		​	​	​	​	​
​	​	​	​	Average		​	Weighted-Average	​	Aggregate
​	​	Number of	​	Exercise		​	Remaining Contractual	​	Intrinsic Value
​		Options		Price			Term		(in thousands)
Outstanding at June 30, 2018		677,525		​	32.80	​	​	​	​	​
Granted		19,259		​	73.37	​	​	​	​	​
Exercised		(169,799)		​	32.11	​	​	​	​	​
Expired or forfeited		(11,101)		​	70.50	​	​	​	​	​
Outstanding at June 30, 2019		515,884		$	33.74	​	​	​	​	​
Granted		13,263		​	101.31	​	​	​	​	​
Exercised		(201,150)		​	20.48	​	​	​	​	​
Expired or forfeited		(1,693)		​	81.79	​	​	​	​	​
Outstanding at June 30, 2020		326,304		$	44.41		​	​	​	​
Granted		22,171	​	​	82.17	​	​	​	​	​
Exercised		(88,657)	​	​	35.19	​	​	​	​	​
Expired or forfeited		(4,598)	​	​	80.46	​	​	​	​	​
Outstanding at June 30, 2021		255,220	​	$	50.24	​	2.5 years	​	$	13,118
Exercisable at June 30, 2021	​	221,090	​	$	44.80		1.5 years	​	$	12,567

Summary of RSU award activity

​

​	​	​	​	​	​
​	​	​	​	Weighted-
​	​	​	​	Average
​		Shares		Fair Value
Nonvested at June 30, 2018		526,377	​	$	71.56
Granted		375,580	​		74.40
Vested		(364,410)	​		70.92
Forfeited		(16,407)	​		74.13
Nonvested at June 30, 2019		521,140	​	$	73.97
Granted		308,431	​		87.88
Vested		(390,613)	​		68.63
Forfeited		(15,368)	​		83.36
Nonvested at June 30, 2020		423,590	​	$	88.68
Granted		339,311	​	​	80.40
Vested		(313.892)	​	​	86.12
Forfeited		(13,084)	​	​	85.78
Nonvested at June 30, 2021		435,925	​	$	84.16

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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