Subsequent Events	12 Months Ended
Dec. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	21. SUBSEQUENT EVENTS On January 2, 2019, pursuant to the terms of an ASR agreement, the Company paid $250.0 million and received an initial delivery of approximately 1.8 million shares of our common stock, which is approximately 80% of the total number of shares expected to be repurchased under this agreement. On February 14, 2019, the Company completed the sale of its Chaucer-related Irish entity for proceeds of $28 million.

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.

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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