The following table provides a summary of changes in the carrying amount of the Company’s goodwill:

		Year Ended July 31,
		2016				2015				2014
		(in thousands)
Balance at beginning of period		$	14,744			$	14,744			$	—
Acquisition		—				—				14,744
Balance at end of period		$	14,744			$	14,744			$	14,744