Stock Repurchase Program - Narrative (Details) - USD ($)	1 Months Ended			3 Months Ended		9 Months Ended
	Mar. 31, 2020	Aug. 31, 2019	Jul. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	May 31, 2016
Equity, Class of Treasury Stock [Line Items]
Amount authorized by the company's Board of Directors (not to exceed)	$ 100,000,000.0			$ 100,000,000.0		$ 100,000,000.0
Number of shares repurchased				393,975	72,742
Average price paid per share (in dollars per share)				$ 38.78	$ 32.29
Remaining authorized repurchase amount	59,400,000			$ 59,400,000		$ 59,400,000
May 2016 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Amount authorized by the company's Board of Directors (not to exceed)							$ 30,000,000.0
Number of shares repurchased		988,767
Average price paid per share (in dollars per share)		$ 30.30
July 2019 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Amount authorized by the company's Board of Directors (not to exceed)			$ 50,000,000.0
Number of shares repurchased						393,975
Average price paid per share (in dollars per share)			$ 38.78
Remaining authorized repurchase amount	9,400,000			9,400,000		$ 9,400,000
March 2020 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Amount authorized by the company's Board of Directors (not to exceed)	$ 50,000,000.0			50,000,000.0		50,000,000.0
Number of shares repurchased	0
Remaining authorized repurchase amount	$ 50,000,000.0			$ 50,000,000.0		$ 50,000,000.0