XML 33 R6.htm IDEA: XBRL DOCUMENT v3.19.3
Condensed Consolidated Statement Of Shareholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Additional Paid-In Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Available-for-sale-securities [Member]
Foreign Currency Translation [Member]
Total
Balance at Dec. 31, 2017 $ 359 $ 1,305,090 $ (2,334,409) $ 2,397,064 $ (306) $ (3,353) $ 1,364,445
Balance, Shares at Dec. 31, 2017 35,852   7,826        
Stock-based compensation $ 0 12,376 $ 0 0 0 0 12,376
Stock-based compensation, Shares 0   0        
Stock plan transactions and other $ 0 (228) $ 0 0 0 0 (228)
Stock plan transactions and other, Shares 31   0        
Acquisition of treasury stock (value) $ 0 0 $ (72,025) 0 0 0 (72,025)
Acquisition of treasury stock (shares) 0   231        
Net income $ 0 0 $ 0 59,446 0 0 59,446
Other comprehensive income (loss), net of income tax 0 0 0 0 (101) 132 31
Balance at Mar. 31, 2018 $ 359 1,317,238 $ (2,406,434) 2,456,510 (407) (3,221) 1,364,045
Balance, Shares at Mar. 31, 2018 35,883   8,057        
Balance at Dec. 31, 2017 $ 359 1,305,090 $ (2,334,409) 2,397,064 (306) (3,353) 1,364,445
Balance, Shares at Dec. 31, 2017 35,852   7,826        
Net income             144,534
Other comprehensive income (loss), net of income tax             (1,196)
Balance at Sep. 30, 2018 $ 360 1,353,071 $ (2,454,337) 2,541,598 (303) (4,552) 1,435,837
Balance, Shares at Sep. 30, 2018 35,966   8,174        
Balance at Mar. 31, 2018 $ 359 1,317,238 $ (2,406,434) 2,456,510 (407) (3,221) 1,364,045
Balance, Shares at Mar. 31, 2018 35,883   8,057        
Stock-based compensation $ 0 11,660 $ 0 0 0 0 11,660
Stock-based compensation, Shares 0   0        
Stock plan transactions and other $ 0 (409) $ 0 0 0 0 (409)
Stock plan transactions and other, Shares 62   0        
Acquisition of treasury stock (value) $ 0 0 $ (28,675) 0 0 0 (28,675)
Acquisition of treasury stock (shares) 0   76        
Net income $ 0 0 $ 0 46,884 0 0 46,884
Other comprehensive income (loss), net of income tax 0 0 0 0 82 (1,580) (1,498)
Balance at Jun. 30, 2018 $ 359 1,328,489 $ (2,435,109) 2,503,394 (325) (4,801) 1,392,007
Balance, Shares at Jun. 30, 2018 35,945   8,133        
Stock-based compensation $ 0 24,760 $ 0 0 0 0 24,760
Stock-based compensation, Shares 0   0        
Stock plan transactions and other $ 1 (178) $ 0 0 0 0 (177)
Stock plan transactions and other, Shares 21   0        
Acquisition of treasury stock (value) $ 0 0 $ (19,228) 0 0 0 (19,228)
Acquisition of treasury stock (shares) 0   41        
Net income $ 0 0 $ 0 38,204 0 0 38,204
Other comprehensive income (loss), net of income tax 0 0 0 0 22 249 271
Balance at Sep. 30, 2018 $ 360 1,353,071 $ (2,454,337) 2,541,598 (303) (4,552) 1,435,837
Balance, Shares at Sep. 30, 2018 35,966   8,174        
Balance at Dec. 31, 2018 $ 360 1,374,154 $ (2,500,556) 2,573,617 (147) (6,089) 1,441,339
Balance, Shares at Dec. 31, 2018 35,973   8,276        
Stock-based compensation $ 0 19,342 $ 0 0 0 0 19,342
Stock-based compensation, Shares 0   0        
Stock plan transactions and other $ 1 (212) $ 0 0 0 0 (211)
Stock plan transactions and other, Shares 135   0        
Acquisition of treasury stock (value) $ 0 0 $ (62,854) 0 0 0 (62,854)
Acquisition of treasury stock (shares) 0   110        
Net income $ 0 0 $ 0 88,132 0 0 88,132
Other comprehensive income (loss), net of income tax 0 0 0 0 100 278 378
Balance at Mar. 31, 2019 $ 361 1,393,284 $ (2,563,410) 2,659,422 (47) (5,811) 1,483,799
Balance, Shares at Mar. 31, 2019 36,108   8,386        
Balance at Dec. 31, 2018 $ 360 1,374,154 $ (2,500,556) 2,573,617 (147) (6,089) 1,441,339
Balance, Shares at Dec. 31, 2018 35,973   8,276        
Net income             277,742
Other comprehensive income (loss), net of income tax             349
Balance at Sep. 30, 2019 $ 363 1,439,811 $ (2,660,872) 2,849,032 0 (5,887) 1,622,447
Balance, Shares at Sep. 30, 2019 36,320   8,519        
Adoption of ASU No. 2016-02, Leases (Topic 842) $ 0 0 $ 0 (2,327) 0 0 (2,327)
Balance at Mar. 31, 2019 $ 361 1,393,284 $ (2,563,410) 2,659,422 (47) (5,811) 1,483,799
Balance, Shares at Mar. 31, 2019 36,108   8,386        
Stock-based compensation $ 0 21,322 $ 0 0 0 0 21,322
Stock-based compensation, Shares 0   0        
Stock plan transactions and other $ 1 (186) $ 0 0 0 0 (185)
Stock plan transactions and other, Shares 85   0        
Acquisition of treasury stock (value) $ 0 0 $ (58,512) 0 0 0 (58,512)
Acquisition of treasury stock (shares) 0   83        
Net income $ 0 0 $ 0 91,028 0 0 91,028
Other comprehensive income (loss), net of income tax 0 0 0 0 42 555 597
Balance at Jun. 30, 2019 $ 362 1,414,420 $ (2,621,922) 2,750,450 (5) (5,256) 1,538,049
Balance, Shares at Jun. 30, 2019 36,193   8,469        
Stock-based compensation $ 0 25,506 $ 0 0 0 0 25,506
Stock-based compensation, Shares 0   0        
Stock plan transactions and other $ 1 (115) $ 0 0 0 0 (114)
Stock plan transactions and other, Shares 127   0        
Acquisition of treasury stock (value) $ 0 0 $ (38,950) 0 0 0 (38,950)
Acquisition of treasury stock (shares) 0   50        
Net income $ 0 0 $ 0 98,582 0 0 98,582
Other comprehensive income (loss), net of income tax 0 0 0 0 5 (631) (626)
Balance at Sep. 30, 2019 $ 363 $ 1,439,811 $ (2,660,872) $ 2,849,032 $ 0 $ (5,887) $ 1,622,447
Balance, Shares at Sep. 30, 2019 36,320   8,519