Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Millions | 3 Months Ended |
Mar. 31, 2018 | Mar. 31, 2017 |
Operating activities: | | |
Net cash provided | $ 140.6 | $ 129.6 |
Investing activities: | | |
Capital expenditures | (110) | (160.1) |
Purchase or replacement of equipment under operating leases | (11.2) | 0 |
Property investments in MSLLC | (3.9) | (4.2) |
Investments in and advances to affiliates | (0.2) | (0.2) |
Proceeds from repayment of loans to affiliates | 0 | 0 |
Loans to affiliates | 0 | 0 |
Proceeds from disposal of property | 1.4 | 4.7 |
Other investing activities | (0.3) | (2.6) |
Net cash provided (used) | (124.2) | (162.4) |
Financing activities: | | |
Proceeds from short-term borrowings | 2,609.9 | 2,747.8 |
Repayment of short-term borrowings | (2,614) | (2,664.9) |
Repayment of long-term debt | (8.7) | (6.7) |
Dividends paid | (37.1) | (35.2) |
Shares repurchased | (54) | (55.7) |
Proceeds from loans from affiliates | 0 | 0 |
Repayment of loans from affiliates | 0 | 0 |
Contribution from affiliates | 0 | 0 |
Other financing activities | 0.4 | 0 |
Net cash used for financing activities | (103.5) | (14.7) |
Cash and cash equivalents: | | |
Net decrease during each period | (87.1) | (47.5) |
At beginning of year | 134.1 | 170.6 |
At end of period | 47 | 123.1 |
Condensed Consolidating Financial Information KCS [Member] | Consolidating Adjustments [Member] | | |
Operating activities: | | |
Net cash provided | 0 | 0 |
Investing activities: | | |
Capital expenditures | 0 | 0 |
Purchase or replacement of equipment under operating leases | 0 | 0 |
Property investments in MSLLC | 0 | 0 |
Investments in and advances to affiliates | 0.4 | 0.4 |
Proceeds from repayment of loans to affiliates | (2,576.9) | (2,752.1) |
Loans to affiliates | 2,734.9 | 2,747.8 |
Proceeds from disposal of property | 0 | 0 |
Other investing activities | 0 | 0 |
Net cash provided (used) | 158.4 | (3.9) |
Financing activities: | | |
Proceeds from short-term borrowings | 0 | 0 |
Repayment of short-term borrowings | 0 | 0 |
Repayment of long-term debt | 0 | 0 |
Dividends paid | 0 | 0 |
Shares repurchased | 0 | 0 |
Proceeds from loans from affiliates | (2,734.9) | (2,747.8) |
Repayment of loans from affiliates | 2,576.9 | 2,752.1 |
Contribution from affiliates | (0.4) | (0.4) |
Other financing activities | 0 | 0 |
Net cash used for financing activities | (158.4) | 3.9 |
Cash and cash equivalents: | | |
Net decrease during each period | 0 | 0 |
At beginning of year | 0 | 0 |
At end of period | 0 | 0 |
Condensed Consolidating Financial Information KCS [Member] | Parent [Member] | | |
Operating activities: | | |
Net cash provided | 3.2 | 4 |
Investing activities: | | |
Capital expenditures | 0 | 0 |
Purchase or replacement of equipment under operating leases | 0 | 0 |
Property investments in MSLLC | 0 | 0 |
Investments in and advances to affiliates | (0.2) | (0.2) |
Proceeds from repayment of loans to affiliates | 2,576.9 | 2,752.1 |
Loans to affiliates | (2,609.9) | (2,747.8) |
Proceeds from disposal of property | 0 | 0 |
Other investing activities | 0 | 0 |
Net cash provided (used) | (33.2) | 4.1 |
Financing activities: | | |
Proceeds from short-term borrowings | 2,609.9 | 2,747.8 |
Repayment of short-term borrowings | (2,614) | (2,664.9) |
Repayment of long-term debt | 0 | 0 |
Dividends paid | (37.1) | (35.2) |
Shares repurchased | (54) | (55.7) |
Proceeds from loans from affiliates | 125 | 0 |
Repayment of loans from affiliates | 0 | 0 |
Contribution from affiliates | 0 | 0 |
Other financing activities | 0.4 | 0 |
Net cash used for financing activities | 30.2 | (8) |
Cash and cash equivalents: | | |
Net decrease during each period | 0.2 | 0.1 |
At beginning of year | 0.7 | 0.2 |
At end of period | 0.9 | 0.3 |
Condensed Consolidating Financial Information KCS [Member] | Guarantor Subsidiaries [Member] | | |
Operating activities: | | |
Net cash provided | 22.6 | 86.4 |
Investing activities: | | |
Capital expenditures | (49.4) | (110.9) |
Purchase or replacement of equipment under operating leases | (11.2) | 0 |
Property investments in MSLLC | 0 | 0 |
Investments in and advances to affiliates | (0.2) | (0.2) |
Proceeds from repayment of loans to affiliates | 0 | 0 |
Loans to affiliates | 0 | 0 |
Proceeds from disposal of property | 0.3 | 4.2 |
Other investing activities | 0.2 | (3.3) |
Net cash provided (used) | (60.3) | (110.2) |
Financing activities: | | |
Proceeds from short-term borrowings | 0 | 0 |
Repayment of short-term borrowings | 0 | 0 |
Repayment of long-term debt | (1) | (0.9) |
Dividends paid | 0 | 0 |
Shares repurchased | 0 | 0 |
Proceeds from loans from affiliates | 2,609.9 | 2,747.8 |
Repayment of loans from affiliates | (2,576.9) | (2,752.1) |
Contribution from affiliates | 0.2 | 0.2 |
Other financing activities | 0 | 0 |
Net cash used for financing activities | 32.2 | (5) |
Cash and cash equivalents: | | |
Net decrease during each period | (5.5) | (28.8) |
At beginning of year | 17.6 | 32.6 |
At end of period | 12.1 | 3.8 |
Condensed Consolidating Financial Information KCS [Member] | Non-Guarantor Subsidiaries [Member] | | |
Operating activities: | | |
Net cash provided | 114.8 | 39.2 |
Investing activities: | | |
Capital expenditures | (60.6) | (49.2) |
Purchase or replacement of equipment under operating leases | 0 | 0 |
Property investments in MSLLC | (3.9) | (4.2) |
Investments in and advances to affiliates | (0.2) | (0.2) |
Proceeds from repayment of loans to affiliates | 0 | 0 |
Loans to affiliates | (125) | 0 |
Proceeds from disposal of property | 1.1 | 0.5 |
Other investing activities | (0.5) | 0.7 |
Net cash provided (used) | (189.1) | (52.4) |
Financing activities: | | |
Proceeds from short-term borrowings | 0 | 0 |
Repayment of short-term borrowings | 0 | 0 |
Repayment of long-term debt | (7.7) | (5.8) |
Dividends paid | 0 | 0 |
Shares repurchased | 0 | 0 |
Proceeds from loans from affiliates | 0 | 0 |
Repayment of loans from affiliates | 0 | 0 |
Contribution from affiliates | 0.2 | 0.2 |
Other financing activities | 0 | 0 |
Net cash used for financing activities | (7.5) | (5.6) |
Cash and cash equivalents: | | |
Net decrease during each period | (81.8) | (18.8) |
At beginning of year | 115.8 | 137.8 |
At end of period | 34 | 119 |
Condensed Consolidating Financial Information KCSR [Member] | Consolidating Adjustments [Member] | | |
Operating activities: | | |
Net cash provided | 0 | 0 |
Investing activities: | | |
Capital expenditures | 0 | 0 |
Purchase or replacement of equipment under operating leases | 0 | 0 |
Property investments in MSLLC | 0 | 0 |
Investments in and advances to affiliates | 0.4 | 0.4 |
Proceeds from repayment of loans to affiliates | (2,576.9) | (2,752.1) |
Loans to affiliates | 2,734.9 | 2,747.8 |
Proceeds from disposal of property | 0 | 0 |
Other investing activities | 0 | 0 |
Net cash provided (used) | 158.4 | (3.9) |
Financing activities: | | |
Proceeds from short-term borrowings | 0 | 0 |
Repayment of short-term borrowings | 0 | 0 |
Repayment of long-term debt | 0 | 0 |
Dividends paid | 0 | 0 |
Shares repurchased | 0 | 0 |
Proceeds from loans from affiliates | (2,734.9) | (2,747.8) |
Repayment of loans from affiliates | 2,576.9 | 2,752.1 |
Contribution from affiliates | (0.4) | (0.4) |
Other financing activities | 0 | 0 |
Net cash used for financing activities | (158.4) | 3.9 |
Cash and cash equivalents: | | |
Net decrease during each period | 0 | 0 |
At beginning of year | 0 | 0 |
At end of period | 0 | 0 |
Condensed Consolidating Financial Information KCSR [Member] | Parent [Member] | | |
Operating activities: | | |
Net cash provided | 3.2 | 4 |
Investing activities: | | |
Capital expenditures | 0 | 0 |
Purchase or replacement of equipment under operating leases | 0 | 0 |
Property investments in MSLLC | 0 | 0 |
Investments in and advances to affiliates | (0.2) | (0.2) |
Proceeds from repayment of loans to affiliates | 2,576.9 | 2,752.1 |
Loans to affiliates | (2,609.9) | (2,747.8) |
Proceeds from disposal of property | 0 | 0 |
Other investing activities | 0 | 0 |
Net cash provided (used) | (33.2) | 4.1 |
Financing activities: | | |
Proceeds from short-term borrowings | 2,609.9 | 2,747.8 |
Repayment of short-term borrowings | (2,614) | (2,664.9) |
Repayment of long-term debt | 0 | 0 |
Dividends paid | (37.1) | (35.2) |
Shares repurchased | (54) | (55.7) |
Proceeds from loans from affiliates | 125 | 0 |
Repayment of loans from affiliates | 0 | 0 |
Contribution from affiliates | 0 | 0 |
Other financing activities | 0.4 | 0 |
Net cash used for financing activities | 30.2 | (8) |
Cash and cash equivalents: | | |
Net decrease during each period | 0.2 | 0.1 |
At beginning of year | 0.7 | 0.2 |
At end of period | 0.9 | 0.3 |
Condensed Consolidating Financial Information KCSR [Member] | KCSR [Member] | | |
Operating activities: | | |
Net cash provided | 22.5 | 86.3 |
Investing activities: | | |
Capital expenditures | (49.4) | (110.9) |
Purchase or replacement of equipment under operating leases | (11.2) | 0 |
Property investments in MSLLC | 0 | 0 |
Investments in and advances to affiliates | 0 | 0 |
Proceeds from repayment of loans to affiliates | 0 | 0 |
Loans to affiliates | 0 | 0 |
Proceeds from disposal of property | 0.3 | 4.2 |
Other investing activities | 0.2 | (3.3) |
Net cash provided (used) | (60.1) | (110) |
Financing activities: | | |
Proceeds from short-term borrowings | 0 | 0 |
Repayment of short-term borrowings | 0 | 0 |
Repayment of long-term debt | (0.9) | (0.8) |
Dividends paid | 0 | 0 |
Shares repurchased | 0 | 0 |
Proceeds from loans from affiliates | 2,609.9 | 2,747.8 |
Repayment of loans from affiliates | (2,576.9) | (2,752.1) |
Contribution from affiliates | 0 | 0 |
Other financing activities | 0 | 0 |
Net cash used for financing activities | 32.1 | (5.1) |
Cash and cash equivalents: | | |
Net decrease during each period | (5.5) | (28.8) |
At beginning of year | 17.6 | 32.6 |
At end of period | 12.1 | 3.8 |
Condensed Consolidating Financial Information KCSR [Member] | Guarantor Subsidiaries [Member] | | |
Operating activities: | | |
Net cash provided | 0.1 | 0.1 |
Investing activities: | | |
Capital expenditures | 0 | 0 |
Purchase or replacement of equipment under operating leases | 0 | 0 |
Property investments in MSLLC | 0 | 0 |
Investments in and advances to affiliates | (0.2) | (0.2) |
Proceeds from repayment of loans to affiliates | 0 | 0 |
Loans to affiliates | 0 | 0 |
Proceeds from disposal of property | 0 | 0 |
Other investing activities | 0 | 0 |
Net cash provided (used) | (0.2) | (0.2) |
Financing activities: | | |
Proceeds from short-term borrowings | 0 | 0 |
Repayment of short-term borrowings | 0 | 0 |
Repayment of long-term debt | (0.1) | (0.1) |
Dividends paid | 0 | 0 |
Shares repurchased | 0 | 0 |
Proceeds from loans from affiliates | 0 | 0 |
Repayment of loans from affiliates | 0 | 0 |
Contribution from affiliates | 0.2 | 0.2 |
Other financing activities | 0 | 0 |
Net cash used for financing activities | 0.1 | 0.1 |
Cash and cash equivalents: | | |
Net decrease during each period | 0 | 0 |
At beginning of year | 0 | 0 |
At end of period | 0 | 0 |
Condensed Consolidating Financial Information KCSR [Member] | Non-Guarantor Subsidiaries [Member] | | |
Operating activities: | | |
Net cash provided | 114.8 | 39.2 |
Investing activities: | | |
Capital expenditures | (60.6) | (49.2) |
Purchase or replacement of equipment under operating leases | 0 | 0 |
Property investments in MSLLC | (3.9) | (4.2) |
Investments in and advances to affiliates | (0.2) | (0.2) |
Proceeds from repayment of loans to affiliates | 0 | 0 |
Loans to affiliates | (125) | 0 |
Proceeds from disposal of property | 1.1 | 0.5 |
Other investing activities | (0.5) | 0.7 |
Net cash provided (used) | (189.1) | (52.4) |
Financing activities: | | |
Proceeds from short-term borrowings | 0 | 0 |
Repayment of short-term borrowings | 0 | 0 |
Repayment of long-term debt | (7.7) | (5.8) |
Dividends paid | 0 | 0 |
Shares repurchased | 0 | 0 |
Proceeds from loans from affiliates | 0 | 0 |
Repayment of loans from affiliates | 0 | 0 |
Contribution from affiliates | 0.2 | 0.2 |
Other financing activities | 0 | 0 |
Net cash used for financing activities | (7.5) | (5.6) |
Cash and cash equivalents: | | |
Net decrease during each period | (81.8) | (18.8) |
At beginning of year | 115.8 | 137.8 |
At end of period | $ 34 | $ 119 |