XML 60 R44.htm IDEA: XBRL DOCUMENT v3.10.0.1
Shareholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2018
Stockholders' Equity Note [Abstract]  
Rollforward of Common Stock Issued and Outstanding
The following table is a summary of changes in common shares issued and outstanding:
 
 
 
 
 
 
 
 
 
Year ended December 31,
2018
 
2017
 
2016
 
 
(thousands of shares)
 
 
 
 
 
 
 
Issued and outstanding shares – January 1
40,024

 
41,187

 
43,701

 
 
Issuance of shares
1,947

 
—

 
—

 
 
Repurchase of shares
—

 
(1,322
)
 
(2,741
)
 
 
Exercise of options and issuance of restricted stock awards
236

 
159

 
227

 
 
Issued and outstanding shares – December 31
42,207

 
40,024

 
41,187