XML 199 R56.htm IDEA: XBRL DOCUMENT v3.20.2
Stockholders' Equity - Additional Information (Details) - USD ($)
shares in Thousands
Sep. 30, 2020
Jul. 28, 2020
Feb. 20, 2020
Dec. 31, 2019
Feb. 21, 2019
Dec. 01, 2017
May 18, 2017
Jun. 02, 2016
Stockholders Equity [Line Items]                
Common stock, shares outstanding (in shares) 36,000     37,390        
2016 Stock Repurchase Program                
Stockholders Equity [Line Items]                
Stock repurchase program authorized amount   $ 700,000,000.0           $ 100,000,000.0
Stock repurchase program additional amount authorized   $ 200,000,000.0 $ 100,000,000.0   $ 100,000,000.0 $ 100,000,000.0 $ 100,000,000.0  
Available amount under repurchase program $ 182,400,000