Subsequent Event	6 Months Ended
Jun. 30, 2019
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event: In July 2019, we repurchased 0.5 million shares of our common stock for $150.0 million under the Share Repurchase Plans through transactions pursuant to a Rule 10b5-1 trading plan.

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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