XML 78 R67.htm IDEA: XBRL DOCUMENT v3.19.1
Changes in Stockholders' Equity (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
May 09, 2019
Mar. 31, 2019
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock repurchase program, outstanding balance authorized to be repurchased   $ 117.1  
Stock repurchase program, value of remaining number of shares authorized to be repurchased   1.4  
ASR Program [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Accelerated Share Repurchases, Settlement (Payment) or Receipt   $ 30.0  
Stock Repurchased and Retired During Period, Shares   379,927  
Subsequent Event | ASR Program [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Repurchased and Retired During Period, Shares 59,394    
Scenario, Forecast      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock repurchase program, outstanding balance authorized to be repurchased     $ 115.7