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Other Operating Expenses (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2018 | Dec. 29, 2017 | Dec. 30, 2016
Restructuring Cost and Reserve [Line Items] |  |  |
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent | $ 120,931 | $ (20,408) | $ (18,917)
Spinoff [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Leadership transition costs | 5,300 |  |
Asset Dispositions Severance And Other [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Leadership transition costs | 4,400 |  |
Strategic reorganization and alignment [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Capital investments expended | 16,500 |  |
Strategic reorganization and alignment [Member] | Minimum [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total expense expected | 28,000 |  |
Costs expected to result in cash outlays | 16,000 |  |
Strategic reorganization and alignment [Member] | Maximum [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total expense expected | 30,000 |  |
Costs expected to result in cash outlays | 20,000 |  |
Manufacturing Alignment To Support Growth [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Capital investments expended | 3,400 |  |
Manufacturing Alignment To Support Growth [Member] | Minimum [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total expense expected | 9,000 |  |
Expected capital expenditures | 4,000 |  |
Manufacturing Alignment To Support Growth [Member] | Maximum [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total expense expected | 11,000 |  |
Expected capital expenditures | 6,000 |  |
Acquisition And Integration Costs [Member] | Lake Region Medical [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Acquisition integration related costs accrued | 400 |  |
AS&O Business [Member] | Discontinued Operations, Held-for-sale [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent | $ 120,931 | $ (20,408) | $ (18,917)

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