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Debt, Derivatives and Hedging Activities - Summary of Debt Outstanding (Details) - USD ($) | Feb. 28, 2018 | Dec. 01, 2017 | May 31, 2017
--- | --- | --- | ---
Debt due within one year |  |  |
Debt issuance costs | $ 0 |  | $ (100,000)
Total debt due within one year | 187,500,000 |  | 362,900,000
Debt due after one year |  |  |
Debt issuance costs | (19,861,000) |  | (22,075,000)
Total debt due after one year | 2,534,760,000 |  | 2,770,624,000
Commercial paper | Commercial Paper, 1.93% |  |  |
Debt due within one year |  |  |
Long-term Debt, current | $ 187,500,000 |  | 50,500,000
Debt due after one year |  |  |
Stated interest rate (as a percent) | 1.93% |  |
Senior notes | Senior Notes, 6.13%, 2018 Maturity |  |  |
Debt due within one year |  |  |
Long-term Debt, current | $ 0 |  | 300,000,000
Debt due after one year |  |  |
Stated interest rate (as a percent) | 6.13% | 6.13% |
Senior notes | Senior Notes 4.30%, 2022 Maturity |  |  |
Debt due after one year |  |  |
Long-term Debt, non-current | $ 250,000,000 |  | 250,000,000
Stated interest rate (as a percent) | 4.30% |  |
Senior notes | Senior Notes, 2.90%, 2022 Maturity |  |  |
Debt due after one year |  |  |
Long-term Debt, non-current | $ 650,000,000 |  | 650,000,000
Stated interest rate (as a percent) | 2.90% |  |
Senior notes | Senior Notes, 3.25%, 2023 Maturity |  |  |
Debt due after one year |  |  |
Long-term Debt, non-current | $ 300,000,000 |  | 300,000,000
Stated interest rate (as a percent) | 3.25% |  |
Senior notes | Senior Notes, 2.78%, 2023 Maturity |  |  |
Debt due after one year |  |  |
Long-term Debt, non-current | $ 52,228,000 |  | 52,554,000
Stated interest rate (as a percent) | 2.78% |  |
Senior notes | Senior Notes, 2.78%, 2023 Maturity | G&K Services |  |  |
Debt due after one year |  |  |
Face value |  |  | $ 50,000,000.0
Stated interest rate (as a percent) |  |  | 3.73%
Senior notes | Senior Notes, 3.11%, 2025 Maturity |  |  |
Debt due after one year |  |  |
Long-term Debt, non-current | $ 52,393,000 |  | $ 52,645,000
Stated interest rate (as a percent) | 3.11% |  |
Senior notes | Senior Notes, 3.11%, 2025 Maturity | G&K Services |  |  |
Debt due after one year |  |  |
Face value |  |  | $ 50,000,000.0
Stated interest rate (as a percent) |  |  | 3.88%
Senior notes | Senior Notes, 3.70%, 2027 Maturity |  |  |
Debt due after one year |  |  |
Long-term Debt, non-current | $ 1,000,000,000 |  | $ 1,000,000,000
Stated interest rate (as a percent) | 3.70% |  |
Senior notes | Senior Notes, 6.15%, 2037 Maturity |  |  |
Debt due after one year |  |  |
Long-term Debt, non-current | $ 250,000,000 |  | 250,000,000
Stated interest rate (as a percent) | 6.15% |  |
Line of Credit | Term Loan Facility |  |  |
Debt due within one year |  |  |
Long-term Debt, current | $ 0 |  | 12,500,000
Debt due after one year |  |  |
Long-term Debt, non-current | $ 0 |  | $ 237,500,000
Effective interest rate (as a percent) | 2.00% |  |

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