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Other Noncurrent Assets - Schedule of Other Noncurrent Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Disclosure Other Non Current Assets Schedule Of Other Non Current Assets [Abstract]
Pension asset	$ 1.4	$ 0.8
Deferred financing costs, net	0.8	0.9
Other	1.9	1.9
Total	$ 4.1	$ 3.6

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- Definition

Disclosure other non current assets schedule of other non current assets.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.

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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

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Amount of noncurrent assets classified as other.

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