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Basis of Presentation Narrative (Details) - USD ($) $ in Thousands			3 Months Ended
		Jan. 01, 2018	Mar. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification of stranded tax effects	[1]		$ 0
Accounting Standards Update 2018-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification of stranded tax effects		$ 7,100
[1] Result of adoption of ASU 2018-02, See Note 1 to Consolidated Financial Statements for further details.

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- Definition

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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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