XML 28 R41.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Capital Stock (Tables)
 12 Months Ended
Dec. 31, 2019
Equity [Abstract]  
Common Shares in Treasury and Common Shares Outstanding
 
Shares
in Treasury
 
Shares
Outstanding
Balance at January 1, 2017
23,577,411

 
93,013,031

Shares tendered as payment for option rights exercised
16,545

 
(16,545
)
Shares issued for exercise of option rights
 
 
969,936

Shares tendered in connection with vesting of restricted stock units
82,777

 
(82,777
)
Balance at December 31, 2017
23,676,733

 
93,883,645

Shares tendered as payment for option rights exercised
1,159

 
(1,159
)
Shares issued for exercise of option rights
 
 
661,599

Shares tendered in connection with vesting of restricted stock units
52,144

 
(52,144
)
Net shares issued for vesting of restricted stock units
 
 
149,821

Treasury stock purchased
1,525,000

 
(1,525,000
)
Balance at December 31, 2018
25,255,036

 
93,116,762

Shares tendered as payment for option rights exercised
3,838

 
(3,838
)
Shares issued for exercise of option rights
 
 
901,878

Shares tendered in connection with vesting of restricted stock units
55,095

 
(55,095
)
Net shares issued for vesting of restricted stock units
 
 
160,132

Treasury stock purchased
1,675,000

 
(1,675,000
)
Shares transferred from defined benefit pension plan (1)
300,000

 
(300,000
)
Balance at December 31, 2019
27,288,969

 
92,144,839


(1) 
Shares were transferred from the Company's terminated domestic defined benefit pension plan surplus assets in connection with the plan's termination. See Note 8. In accordance with ASC 715, the transferred shares are treated as treasury stock.