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Contingencies and Environmental Remediation (Details) $ in Millions |  | 2 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 16, 2016 USD ($) | Dec. 31, 2014 item | Jul. 02, 2017 USD ($) | Oct. 01, 2017 USD ($) | Apr. 02, 2017 USD ($) | Dec. 31, 2015 USD ($)
Litigation contingencies |  |  |  |  |  |
Possible loss |  |  |  | $ 4.5 |  |
Connector Class Action |  |  |  |  |  |
Litigation contingencies |  |  |  |  |  |
Number of class action complaints | item |  | 3 |  |  |  |
Total settlement amount on proposed litigation | $ 14.0 |  |  |  |  |
Possible loss on proposed estimate | 4.1 |  |  |  |  |
Estimated insurance receivable | $ 9.9 |  |  |  |  |
Liability recorded |  |  |  | 5.3 |  | $ 14.0
Liability recorded, current |  |  |  |  |  | 7.8
Liability recorded, noncurrent |  |  |  |  |  | 6.2
Insurance proceeds, current assets |  |  |  |  | $ 9.9 | $ 9.5
Receivable receipts for insurance proceeds |  |  | $ 9.9 |  |  |
Reduction in liability |  |  |  | 8.7 |  |
Notice and claims administrator payments |  |  |  | 0.8 |  |
Counsel fee payments |  |  |  | 4.3 |  |
Contributions to the class action fund |  |  |  | $ 3.6 |  |

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