Other Accrued Liabilities and Other Long-Term Liabilities - Other Long-Term Liabilities (Detail) - USD ($) $ in Millions	Mar. 31, 2020	Jun. 30, 2019
Payables And Accruals [Abstract]
Income taxes payable, long-term	$ 17.4	$ 16.2
Operating lease liabilities, long-term	16.2
Other	13.4	14.1
Other long-term liabilities	$ 47.0	$ 30.3

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.7-03(a)(15)(b)(1))
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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are expected to be paid after one year (or the normal operating cycle, if longer), from the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Section S99
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-Subparagraph (SX 210.7-03(a)(15))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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