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INDEBTEDNESS - Debt Details (Details) - USD ($) | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 26, 2020 | Sep. 26, 2020 | Dec. 31, 2019
Debt |  |  |
Balance at the beginning of the period | $ 393,500,000 |  |
Borrowings | 248,900,000 |  |
Repayments | (181,100,000) |  |
Other | 2,600,000 |  |
Balance at the end of the period | 463,900,000 |  |
Less: short-term debt |  | $ 108,000,000.0 | $ 142,600,000
Less: current maturities of long-term debt |  | 5,600,000 | 1,000,000.0
Total long-term debt |  | 350,300,000 | 249,900,000
Outstanding borrowings | 463,900,000 | 463,900,000 | 393,500,000
Trade receivables financing arrangement |  |  |
Debt |  |  |
Balance at the beginning of the period | 0 |  |
Borrowings | 65,000,000.0 |  |
Repayments | (60,400,000) |  |
Other | 0 |  |
Balance at the end of the period | 4,600,000 |  |
Maximum borrowing capacity |  | 50,000,000.0 |
Amount of available borrowing capacity |  | 20,100,000 |
Outstanding borrowings | 4,600,000 | 4,600,000 | 0
Other indebtedness |  |  |
Debt |  |  |
Balance at the beginning of the period | 5,300,000 |  |
Borrowings | 0 |  |
Repayments | (1,800,000) |  |
Other | 2,300,000 |  |
Balance at the end of the period | 5,800,000 |  |
Outstanding borrowings | 5,800,000 | 5,800,000 | 5,300,000
Purchase card programs |  | 1,700,000 | 2,600,000
Capital lease obligations |  | 2,400,000 | 2,700,000
Revolving loans | Current Revolving SPX Facilities |  |  |
Debt |  |  |
Balance at the beginning of the period | 140,000,000.0 |  |
Borrowings | 183,900,000 |  |
Repayments | (118,900,000) |  |
Other | 0 |  |
Balance at the end of the period | 205,000,000.0 |  |
Outstanding borrowings | 205,000,000.0 | 205,000,000.0 | 140,000,000.0
Term loans | Current SPX Term Loan Facilities |  |  |
Debt |  |  |
Balance at the beginning of the period | 248,200,000 |  |
Borrowings | 0 |  |
Repayments | 0 |  |
Other | 300,000 |  |
Balance at the end of the period | 248,500,000 |  |
Original loan balance |  | 250,000,000.0 |
Debt issuance costs |  | 1,500,000 | 1,800,000
Outstanding borrowings | $ 248,500,000 | $ 248,500,000 | $ 248,200,000
Term loans | Current SPX Term Loan Facilities | 2021 |  |  |
Debt |  |  |
Periodic payment (as a percent of principal) | 0.625% |  |
Term loans | Current SPX Term Loan Facilities | 2022 and 2023 |  |  |
Debt |  |  |
Periodic payment (as a percent of principal) | 1.25% |  |
Term loans | Current SPX Term Loan Facilities | 2024 |  |  |
Debt |  |  |
Periodic payment (as a percent of principal) | 1.25% |  |

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