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Debt (Details) - USD ($) $ in Millions |  |  | 6 Months Ended |
--- | --- | --- | --- | ---
Apr. 28, 2016 | Feb. 12, 2016 | Jul. 03, 2016 | Dec. 31, 2015
Credit Agreement |  |  |  |
Long-term Debt |  |  | $ 606.6 | $ 576.2
Borrowings outstanding |  |  | 606.6 | $ 576.2
5.85% Senior notes due 2016 |  |  |  |
Credit Agreement |  |  |  |
Long-term Debt | $ 225.0 |  |  |
Interest rate (as a percent) | 5.85% |  |  |
Borrowings outstanding | $ 225.0 |  |  |
Interest rate (as a percent) | 5.85% |  |  |
Credit Agreement |  |  |  |
Credit Agreement |  |  |  |
Term of debt |  | 5 years |  |
Sublimit on letters of credit |  | $ 100.0 |  |
Unused and available credit under the credit agreement |  |  | 245.1 |
Amount drawn | $ 230.0 |  |  |
Stand-by letters of credit outstanding |  |  | $ 24.9 |
Eurocurrency rate loans | LIBOR | Minimum |  |  |  |
Credit Agreement |  |  |  |
Interest rate added to base rate (as a percent) |  |  | 0.975% |
Eurocurrency rate loans | LIBOR | Maximum |  |  |  |
Credit Agreement |  |  |  |
Interest rate added to base rate (as a percent) |  |  | 1.45% |
Base rate loans and swing line loans | LIBOR |  |  |  |
Credit Agreement |  |  |  |
Interest rate added to base rate (as a percent) |  |  | 1.00% |
Base rate loans and swing line loans | LIBOR | Minimum |  |  |  |
Credit Agreement |  |  |  |
Interest rate added to base rate (as a percent) |  |  | 0.00% |
Base rate loans and swing line loans | LIBOR | Maximum |  |  |  |
Credit Agreement |  |  |  |
Interest rate added to base rate (as a percent) |  |  | 0.45% |
Base rate loans and swing line loans | Federal funds |  |  |  |
Credit Agreement |  |  |  |
Interest rate added to base rate (as a percent) |  |  | 0.50% |
Variable interest rate basis |  |  | federal funds rate |
Base rate loans and swing line loans | Prime Rate |  |  |  |
Credit Agreement |  |  |  |
Variable interest rate basis |  |  | prime rate |
Senior unsecured revolving credit facility |  |  |  |
Credit Agreement |  |  |  |
Multi-currency borrowing capacity |  | $ 500.0 |  |
Interest rate on revolving credit facility (as a percent) |  |  | 1.88% |
Term loan facility |  |  |  |
Credit Agreement |  |  |  |
Term of debt |  | 5 years |  |
Interest rate on term loan facility (as a percent) |  |  | 2.12% |
First year (as a percent) |  | 0.00% |  |
Second and third years (as a percent) |  | 7.50% |  |
Fourth and fifth years (as a percent) |  | 10.00% |  |
Amount drawn |  | $ 300.0 |  |
Long-term Debt |  |  | $ 300.0 |
Borrowings outstanding |  |  | $ 300.0 |
Face amount |  | $ 300.0 |  |
Term loan facility | LIBOR | Minimum |  |  |  |
Credit Agreement |  |  |  |
Interest rate added to base rate (as a percent) |  | 1.125% |  |
Term loan facility | LIBOR | Maximum |  |  |  |
Credit Agreement |  |  |  |
Interest rate added to base rate (as a percent) |  | 1.75% |  |

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