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Other Long Term Liabilities - Additional Information (Detail) $ in Millions	Jun. 30, 2019 USD ($) plan
Other Liabilities Disclosure [Abstract]
Number of defined benefit pension plans | plan	2
Fair value of plan assets	$ 0.1
Net pension liability	$ 6.8

X

- Definition

Number of defined benefit pension plans.

+ References

No definition available.

+ Details

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- Definition

Amount of liability, recognized in statement of financial position, for defined benefit pension plan, classified as noncurrent. Excludes other postretirement benefit plan.

+ References

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Balance Type:	credit
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X

- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

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Balance Type:	debit
Period Type:	instant

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- References

No definition available.

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