Summary of Significant Accounting Policies - Adjustments for Adoption (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Jul. 01, 2019	Mar. 31, 2019	Mar. 31, 2019	Mar. 31, 2020
Recently adopted accounting standards
Operating lease right-of-use assets				$ 50,180
Operating lease liabilities				$ 82,867
Topic 842
Recently adopted accounting standards
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	true
Change in Accounting Principle, Accounting Standards Update, Transition Option Elected [Fixed List]	Modified Retrospective
Practical expedients package adopted	true
Practical expedient single lease component adopted	true
Operating lease right-of-use assets	$ 52,083
Operating lease liabilities	83,852
Deferred rent adjustments included in net ROU assets	$ 31,769
Impact of adoption on unaudited consolidated statements of operations and comprehensive income or the unaudited statement of cash flows		$ 0	$ 0