Consolidated Balance Sheets (Parenthetical) - $ / shares shares in Thousands	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Common Stock, Par Value	$ 0.01	$ 0.01	$ 0.01
Common Stock, Shares Authorized	200,000	200,000	200,000
Common Stock, Shares Outstanding	52,953	55,303	58,212
Treasury Stock, Shares	27,623	24,830	21,883