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Subsequent Events	6 Months Ended
Subsequent Events	Dec. 31, 2017
Subsequent Events [Abstract]
Subsequent Events	NOTE 12. SUBSEQUENT EVENTS In February 2018, the Board of Directors declared a semi-annual cash dividend of $0.10 per share for Class A Common Stock and Class B Common Stock. This dividend is payable on April 18, 2018 to stockholders of record as of March 14, 2018.