Segment Information - Summary of Financial Information Concerning Reportable Segments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | |
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | $ 113.9 | $ 143.6 | $ 342.6 | $ 450.7 | |
Interest investment and other income (expense), including recognized gains (losses), net | 24.2 | (127.4) | (126.7) | (112) | |
Total revenues, other income (expense) and realized gains (losses), net | 138.1 | 16.2 | 215.9 | 338.7 | |
Depreciation and amortization | 3.3 | 5.9 | 10 | 15.6 | |
Interest expense | (2.9) | (5.8) | (7.5) | (14.2) | |
(Loss) earnings before income taxes and equity in earnings (losses) of unconsolidated affiliates | 3.2 | (185.1) | (215.9) | (220.4) | |
Income tax (benefit) expense | (6.2) | (40.5) | 13.5 | (59.7) | |
Earnings (loss) before equity in losses of unconsolidated affiliates | 9.4 | (144.6) | (229.4) | (160.7) | |
Equity in earnings (losses) of unconsolidated affiliates | (26.9) | (26) | (34.9) | (107.2) | |
Net loss | (17.5) | (170.6) | (264.3) | (267.9) | |
Assets | 2,286.2 | 2,768.4 | 2,286.2 | 2,768.4 | $ 2,686.7 |
Goodwill | 53.4 | 53.4 | 53.4 | 53.4 | $ 53.4 |
Affiliate Elimination | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | (1,241.9) | (1,213.5) | (3,581.7) | (3,501.5) | |
Interest investment and other income (expense), including recognized gains (losses), net | 2.3 | (28.6) | (9.5) | 13.2 | |
Total revenues, other income (expense) and realized gains (losses), net | (1,239.6) | (1,242.1) | (3,591.2) | (3,488.3) | |
Depreciation and amortization | (272.8) | (272) | (810.1) | (785.8) | |
Interest expense | 83.8 | 94.2 | 298.9 | 273.5 | |
(Loss) earnings before income taxes and equity in earnings (losses) of unconsolidated affiliates | 78.6 | 67.3 | 378 | 379.9 | |
Income tax (benefit) expense | 10.8 | 28.5 | 82.9 | 88.8 | |
Earnings (loss) before equity in losses of unconsolidated affiliates | 67.8 | 38.8 | 295.1 | 291.1 | |
Equity in earnings (losses) of unconsolidated affiliates | (19.9) | (6.1) | (60.4) | (52.5) | |
Net loss | 47.9 | 32.7 | 234.7 | 238.6 | |
Assets | (17,773.7) | (20,282.9) | (17,773.7) | (20,282.9) | |
Goodwill | (6,674.9) | (7,111.3) | (6,674.9) | (7,111.3) | |
Restaurant revenue | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 102.1 | 131.2 | 316.2 | 424.9 | |
Restaurant revenue | Affiliate Elimination | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 0 | 0 | 0 | 0 | |
Other operating revenue | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 11.8 | 12.4 | 26.4 | 25.8 | |
Other operating revenue | Affiliate Elimination | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | (1,241.9) | (1,213.5) | (3,581.7) | (3,501.5) | |
Restaurant Group | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 102.1 | 131.2 | 316.2 | 424.9 | |
Restaurant Group | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 102.1 | 131.2 | 316.2 | 424.9 | |
Interest investment and other income (expense), including recognized gains (losses), net | 4.4 | 0.5 | 5.7 | 0.4 | |
Total revenues, other income (expense) and realized gains (losses), net | 106.5 | 131.7 | 321.9 | 425.3 | |
Depreciation and amortization | 2.6 | 5.3 | 8 | 14.2 | |
Interest expense | (1.5) | (2.2) | (4.1) | (4.8) | |
(Loss) earnings before income taxes and equity in earnings (losses) of unconsolidated affiliates | (0.9) | (38.3) | (3.2) | (49.4) | |
Income tax (benefit) expense | 0 | (0.1) | 0 | 0.4 | |
Earnings (loss) before equity in losses of unconsolidated affiliates | (0.9) | (38.2) | (3.2) | (49.8) | |
Equity in earnings (losses) of unconsolidated affiliates | 0 | 0 | 0 | 0 | |
Net loss | (0.9) | (38.2) | (3.2) | (49.8) | |
Assets | 271 | 280.4 | 271 | 280.4 | |
Goodwill | 53.4 | 53.4 | 53.4 | 53.4 | |
Restaurant Group | Restaurant revenue | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 102.1 | 131.2 | 316.2 | 424.9 | |
Restaurant Group | Restaurant revenue | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 102.1 | 131.2 | 316.2 | 424.9 | |
Restaurant Group | Other operating revenue | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 0 | 0 | 0 | 0 | |
Dun & Bradstreet | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 609.1 | 588.5 | 1,749.8 | 1,683.6 | |
Interest investment and other income (expense), including recognized gains (losses), net | 1.2 | 1.7 | 5.5 | 4.2 | |
Total revenues, other income (expense) and realized gains (losses), net | 610.3 | 590.2 | 1,755.3 | 1,687.8 | |
Depreciation and amortization | 144.8 | 146.7 | 430.1 | 437.1 | |
Interest expense | (61.3) | (57) | (205.6) | (168.4) | |
(Loss) earnings before income taxes and equity in earnings (losses) of unconsolidated affiliates | 2.1 | (6.5) | (84.2) | (88.9) | |
Income tax (benefit) expense | (1.8) | (11.2) | (48.9) | (40.5) | |
Earnings (loss) before equity in losses of unconsolidated affiliates | 3.9 | 4.7 | (35.3) | (48.4) | |
Equity in earnings (losses) of unconsolidated affiliates | 0.3 | 0.6 | 1.9 | 2.1 | |
Net loss | 4.2 | 5.3 | (33.4) | (46.3) | |
Assets | 9,004.9 | 9,135.2 | 9,004.9 | 9,135.2 | |
Goodwill | 3,447.5 | 3,413.9 | 3,447.5 | 3,413.9 | |
Dun & Bradstreet | Restaurant revenue | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 0 | 0 | 0 | 0 | |
Dun & Bradstreet | Other operating revenue | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 609.1 | 588.5 | 1,749.8 | 1,683.6 | |
Alight | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 555 | 557 | 1,652 | 1,704 | |
Interest investment and other income (expense), including recognized gains (losses), net | 8 | 25 | 14 | (20) | |
Total revenues, other income (expense) and realized gains (losses), net | 563 | 582 | 1,666 | 1,684 | |
Depreciation and amortization | 97 | 94 | 293 | 279 | |
Interest expense | (19) | (34) | (83) | (100) | |
(Loss) earnings before income taxes and equity in earnings (losses) of unconsolidated affiliates | (53) | (54) | (203) | (241) | |
Income tax (benefit) expense | (9) | (14) | (34) | (45) | |
Earnings (loss) before equity in losses of unconsolidated affiliates | (44) | (40) | (169) | (196) | |
Equity in earnings (losses) of unconsolidated affiliates | 0 | 0 | 0 | 0 | |
Net loss | (44) | (40) | (169) | (196) | |
Assets | 8,271 | 10,749 | 8,271 | 10,749 | |
Goodwill | 3,212 | 3,682 | 3,212 | 3,682 | |
Alight | Restaurant revenue | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 0 | 0 | 0 | 0 | |
Alight | Other operating revenue | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 555 | 557 | 1,652 | 1,704 | |
BKFC | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 77.8 | 68 | 179.9 | 113.9 | |
Interest investment and other income (expense), including recognized gains (losses), net | (11.5) | 1.9 | (10) | 2.6 | |
Total revenues, other income (expense) and realized gains (losses), net | 66.3 | 69.9 | 169.9 | 116.5 | |
Depreciation and amortization | 31 | 31.3 | 87 | 69.7 | |
Interest expense | (3.5) | (3.2) | (10.3) | (5.1) | |
(Loss) earnings before income taxes and equity in earnings (losses) of unconsolidated affiliates | (27.7) | (6.8) | (90.8) | (50) | |
Income tax (benefit) expense | 0 | (3.3) | 0 | (3.3) | |
Earnings (loss) before equity in losses of unconsolidated affiliates | (27.7) | (3.5) | (90.8) | (46.7) | |
Equity in earnings (losses) of unconsolidated affiliates | (3.1) | (4.1) | (9.6) | (4.1) | |
Net loss | (30.8) | (7.6) | (100.4) | (50.8) | |
Assets | 497.8 | 398.7 | 497.8 | 398.7 | |
Goodwill | 15.4 | 15.4 | 15.4 | 15.4 | |
BKFC | Restaurant revenue | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 0 | 0 | 0 | 0 | |
BKFC | Other operating revenue | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 77.8 | 68 | 179.9 | 113.9 | |
Corporate and Other | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 11.8 | 12.4 | 26.4 | 25.8 | |
Interest investment and other income (expense), including recognized gains (losses), net | 19.8 | (127.9) | (132.4) | (112.4) | |
Total revenues, other income (expense) and realized gains (losses), net | 31.6 | (115.5) | (106) | (86.6) | |
Depreciation and amortization | 0.7 | 0.6 | 2 | 1.4 | |
Interest expense | (1.4) | (3.6) | (3.4) | (9.4) | |
(Loss) earnings before income taxes and equity in earnings (losses) of unconsolidated affiliates | 4.1 | (146.8) | (212.7) | (171) | |
Income tax (benefit) expense | (6.2) | (40.4) | 13.5 | (60.1) | |
Earnings (loss) before equity in losses of unconsolidated affiliates | 10.3 | (106.4) | (226.2) | (110.9) | |
Equity in earnings (losses) of unconsolidated affiliates | (4.2) | (16.4) | 33.2 | (52.7) | |
Net loss | 6.1 | (122.8) | (193) | (163.6) | |
Assets | 2,015.2 | 2,488 | 2,015.2 | 2,488 | |
Goodwill | 0 | 0 | 0 | 0 | |
Corporate and Other | Restaurant revenue | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | 0 | 0 | 0 | 0 | |
Corporate and Other | Other operating revenue | Operating Segments | | | | | |
Segment Reporting Information [Line Items] | | | | | |
Revenues from external customers | $ 11.8 | $ 12.4 | $ 26.4 | $ 25.8 | |