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Subsequent Events	3 Months Ended
	Mar. 31, 2018
Subsequent Event [Line Items]
Subsequent Events	14. SUBSEQUENT EVENTS On May 8, 2018, we announced a cash dividend of $0.41 per share of common stock. The dividend payment will be made on June 15, 2018, to holders of record at the close of business on May 18, 2018. A dividend-equivalent in the same per share amount will also be paid simultaneously on outstanding but unvested shares of eligible restricted stock units granted under the Company's Stock Award and Incentive Plan.

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- Definition

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.

+ References

No definition available.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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