Consolidated Statements of Equity Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid- In Capital | Retained Earnings | AOCI Attributable to Parent [Member] | Non Controlling Interest |
Beginning balance (in shares) at Dec. 31, 2018 | | 60,900 | | | | |
Beginning balance at Dec. 31, 2018 | $ 867,000 | $ 600 | $ 808,000 | $ 121,100 | $ (63,000) | $ 300 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Employee stock compensation (in shares) | | 200 | | | | |
Employee stock compensation | 12,100 | | 12,100 | | | |
Deferred compensation | (1,800) | | (1,500) | (300) | | |
Proceeds from stock issuances under employee plans (in shares) | | 0 | | | | |
Proceeds from stock issuances under employee plans | 3,200 | $ 0 | 3,200 | | | |
Cash dividends declared | (37,100) | | | (37,100) | | |
Repurchase and retirement of common shares (in shares) | | (100) | | | | |
Repurchase and retirement of common shares | (6,200) | $ 0 | (1,000) | (5,200) | | |
Other activity | 0 | | | 600 | (600) | |
Net income | 48,400 | | | 48,400 | | |
Other comprehensive loss | (6,100) | | | | (6,100) | |
Ending balance (in shares) at Mar. 31, 2019 | | 61,000 | | | | |
Ending balance at Mar. 31, 2019 | 879,500 | $ 600 | 820,800 | 127,500 | (69,700) | 300 |
Beginning balance (in shares) at Dec. 31, 2018 | | 60,900 | | | | |
Beginning balance at Dec. 31, 2018 | 867,000 | $ 600 | 808,000 | 121,100 | (63,000) | 300 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 224,900 | | | | | |
Ending balance (in shares) at Sep. 30, 2019 | | 61,100 | | | | |
Ending balance at Sep. 30, 2019 | 1,013,200 | $ 600 | 867,200 | 228,800 | (83,600) | 200 |
Beginning balance (in shares) at Mar. 31, 2019 | | 61,000 | | | | |
Beginning balance at Mar. 31, 2019 | 879,500 | $ 600 | 820,800 | 127,500 | (69,700) | 300 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Employee stock compensation (in shares) | | 0 | | | | |
Employee stock compensation | 22,100 | | 22,100 | | | |
Deferred compensation | (1,800) | | (1,200) | (600) | | |
Proceeds from stock issuances under employee plans (in shares) | | 100 | | | | |
Proceeds from stock issuances under employee plans | 3,000 | $ 0 | 3,000 | | | |
Cash dividends declared | (37,300) | | | (37,300) | | |
Repurchase and retirement of common shares (in shares) | | 0 | | | | |
Repurchase and retirement of common shares | (400) | $ 0 | (100) | (300) | | |
Net income | 88,100 | | | 88,200 | | (100) |
Other comprehensive loss | (1,100) | | | | (1,100) | |
Ending balance (in shares) at Jun. 30, 2019 | | 61,100 | | | | |
Ending balance at Jun. 30, 2019 | 952,100 | $ 600 | 844,600 | 177,500 | (70,800) | 200 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Employee stock compensation (in shares) | | 0 | | | | |
Employee stock compensation | 22,300 | | 22,300 | | | |
Deferred compensation | (1,000) | | (1,600) | 600 | | |
Proceeds from stock issuances under employee plans (in shares) | | 0 | | | | |
Proceeds from stock issuances under employee plans | 2,000 | $ 0 | 2,000 | | | |
Cash dividends declared | (37,300) | | | (37,300) | | |
Repurchase and retirement of common shares (in shares) | | 0 | | | | |
Repurchase and retirement of common shares | (500) | $ 0 | (100) | (400) | | |
Net income | 88,400 | | | 88,400 | | 0 |
Other comprehensive loss | (12,800) | | | | (12,800) | |
Ending balance (in shares) at Sep. 30, 2019 | | 61,100 | | | | |
Ending balance at Sep. 30, 2019 | 1,013,200 | $ 600 | 867,200 | 228,800 | (83,600) | 200 |
Beginning balance (in shares) at Dec. 31, 2019 | | 61,400 | | | | |
Beginning balance at Dec. 31, 2019 | 1,108,200 | $ 600 | 892,800 | 287,300 | (72,700) | 200 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Employee stock compensation (in shares) | | 400 | | | | |
Employee stock compensation | 11,900 | $ 0 | 11,900 | | | |
Deferred compensation | 6,900 | | (500) | 7,400 | | |
Proceeds from stock issuances under employee plans (in shares) | | 0 | | | | |
Proceeds from stock issuances under employee plans | 2,300 | | 2,300 | | | |
Cash dividends declared | (38,000) | | | (38,000) | | |
Repurchase and retirement of common shares (in shares) | | (600) | | | | |
Repurchase and retirement of common shares | (48,800) | $ 0 | (8,100) | (40,700) | | |
Net income | (5,400) | | | (5,400) | | 0 |
Other comprehensive loss | (35,300) | | | | (35,300) | |
Ending balance (in shares) at Mar. 31, 2020 | | 61,200 | | | | |
Ending balance at Mar. 31, 2020 | 1,001,800 | $ 600 | 898,400 | 210,600 | (108,000) | 200 |
Beginning balance (in shares) at Dec. 31, 2019 | | 61,400 | | | | |
Beginning balance at Dec. 31, 2019 | $ 1,108,200 | $ 600 | 892,800 | 287,300 | (72,700) | 200 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Repurchase and retirement of common shares (in shares) | (600) | | | | | |
Repurchase and retirement of common shares | $ (49,500) | | | | | |
Net income | (73,900) | | | | | |
Ending balance (in shares) at Sep. 30, 2020 | | 61,700 | | | | |
Ending balance at Sep. 30, 2020 | 947,800 | $ 600 | 972,800 | 59,000 | (84,900) | 300 |
Beginning balance (in shares) at Mar. 31, 2020 | | 61,200 | | | | |
Beginning balance at Mar. 31, 2020 | 1,001,800 | $ 600 | 898,400 | 210,600 | (108,000) | 200 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Employee stock compensation (in shares) | | 0 | | | | |
Employee stock compensation | 19,800 | $ 0 | 19,800 | | | |
Deferred compensation | (7,500) | | (1,400) | (6,100) | | |
Proceeds from stock issuances under employee plans (in shares) | | 100 | | | | |
Proceeds from stock issuances under employee plans | 4,600 | | 4,600 | | | |
Cash dividends declared | (38,000) | | | (38,000) | | |
Repurchase and retirement of common shares (in shares) | | 0 | | | | |
Repurchase and retirement of common shares | (500) | $ 0 | (100) | (400) | | |
Net income | (235,400) | | | (235,400) | | 0 |
Other comprehensive loss | 8,400 | | | | 8,400 | |
Ending balance (in shares) at Jun. 30, 2020 | | 61,300 | | | | |
Ending balance at Jun. 30, 2020 | 753,200 | $ 600 | 921,300 | (69,300) | (99,600) | 200 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Employee stock compensation (in shares) | | 0 | | | | |
Employee stock compensation | 27,700 | $ 0 | 27,700 | | | |
Deferred compensation | (2,000) | | (1,900) | (100) | | |
Proceeds from stock issuances under employee plans (in shares) | | 400 | | | | |
Proceeds from stock issuances under employee plans | 25,700 | | 25,700 | | | |
Cash dividends declared | (38,200) | | | (38,200) | | |
Repurchase and retirement of common shares (in shares) | | 0 | | | | |
Repurchase and retirement of common shares | (200) | $ 0 | 0 | (200) | | |
Net income | 166,900 | | | 166,800 | | 100 |
Other comprehensive loss | 14,700 | | | | 14,700 | |
Ending balance (in shares) at Sep. 30, 2020 | | 61,700 | | | | |
Ending balance at Sep. 30, 2020 | $ 947,800 | $ 600 | $ 972,800 | $ 59,000 | $ (84,900) | $ 300 |