Date the declared dividend will be paid, in CCYY-MM-DD format.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) - Dividends [Domain] - USD ($) $ / shares in Units, $ in Millions	Jun. 08, 2018	May 25, 2018	Apr. 19, 2018
Subsequent Event [Line Items]
Dividends Payable, Date Declared			Apr. 19, 2018
Quarterly dividend, value per share	$ 0.16
Quarterly dividend, date to be paid	Jun. 08, 2018
Quarterly dividend, date of record		May 25, 2018
Quarterly dividend, amount declared	$ 22.0