Stockholders' Equity and EPS - Stock Repurchase Program (Details) - USD ($)	2 Months Ended	12 Months Ended
Dec. 31, 2018	Dec. 31, 2018	Nov. 13, 2018
Equity and Earnings Per Share [Abstract]
Amount of outstanding common stock approved to be repurchased			$ 500,000,000
Common stock repurchased (in shares)	715,207
Common stock repurchased	$ 147,100,000	$ 147,123,000

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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