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New Accounting Pronouncements (Details) - ASU 2016-09 $ in Millions	Jan. 01, 2017 USD ($)
New Accounting Pronouncement or Change in Accounting Principle, Retrospective Adjustments [Abstract]
Deferred tax asset, net operating loss	$ 1.7
Valuation allowance for net operating loss deferred tax assets	1.7
Impact of the adoption of ASU 2016-09 on the financial statements	0.0
New Accounting Pronouncement Early Adoption Effect
New Accounting Pronouncement or Change in Accounting Principle, Retrospective Adjustments [Abstract]
Cumulative effective of the adoption of ASU 2016-09	$ (0.3)

Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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