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Summary of Significant Accounting Policies and Estimates - Recently Issued Accounting Pronouncements (Details) - USD ($) $ in Millions	Jul. 01, 2018	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Tax effects reclassified from accumulated other comprehensive income	$ 0.2
ASU 2016-02 | Subsequent Event | Forecast | Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating liabilities		$ 200.0
Operating ROU assets		200.0
ASU 2016-02 | Subsequent Event | Forecast | Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating liabilities		300.0
Operating ROU assets		$ 300.0

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Tax Cuts And Jobs Act, Reclassification From AOCI To Retained Earnings, Tax Effect

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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
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