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Subsequent Events	12 Months Ended
	Dec. 31, 2018
Subsequent Events
Subsequent Events	18.  SUBSEQUENT EVENTS On February 22, 2019, our Board authorized a share repurchase program (the “2019 Share Repurchase Program”), pursuant to which the Company may purchase up to $200 million of the Company’s common stock.  Share repurchases may be executed through various means including, without limitation, open market purchases, privately negotiated transactions, or otherwise.  The 2019 Share Repurchase Program does not obligate the Company to purchase any shares and has no expiration date.  Authorization for the Share Repurchase Program may be terminated, increased, or decreased by the Company’s Board of Directors at its discretion at any time.

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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