Description of Business and Basis of Presentation - Additional Information (Detail) - Spinoff [Member]	12 Months Ended
	Jun. 30, 2015
Description of Business [Line Items]
Distribution date	Jun. 28, 2013
Distribution terms	As of the effective time of the Separation, all of the outstanding shares of the Company were distributed to 21st Century Fox stockholders based on a distribution ratio of one share of Company Class A or Class B Common Stock for every four shares of 21st Century Fox Class A or Class B Common Stock, respectively, held of record as of June 21, 2013 (the "Record Date").