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Restructuring charges - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 25, 2016 | Sep. 27, 2015 | Sep. 25, 2016 | Sep. 27, 2015 | Apr. 30, 2014
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | $ 3,027 | $ 660 | $ 12,876 | $ 5,688 |
Employee termination benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 2,784 | 324 | 12,027 | 4,011 |
2016 Other Restructuring programs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs expected cash payment | 500 |  | 500 |  |
Restructuring charges | 1,713 |  | 1,713 |  |
Restructuring reserve | 1,700 |  | 1,700 |  |
2016 Other Restructuring programs | Employee termination benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 1,713 |  | 1,713 |  |
2016 Other Restructuring programs | Accelerated Depreciation And Other Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | 1,000 |  | 1,000 |  |
2016 Other Restructuring programs | Minimum |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | 2,500 |  | 2,500 |  |
2016 Other Restructuring programs | Maximum |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | 3,500 |  | 3,500 |  |
2016 Manufacturing footprint realignment plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 925 |  | 11,279 |  |
Restructuring reserve | 10,500 |  | 10,500 |  |
Restructuring expenses | 2,800 |  | 15,500 |  |
2016 Manufacturing footprint realignment plan | Employee termination benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 851 |  | 10,919 |  |
Restructuring expenses | 900 |  | 11,300 |  |
2016 Manufacturing footprint realignment plan | Accelerated Depreciation And Other Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expenses | 1,900 |  | 4,200 |  |
2016 Manufacturing footprint realignment plan | Minimum |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | 34,000 |  | 34,000 |  |
Restructuring costs expected cash payment | 27,000 |  | 27,000 |  |
2016 Manufacturing footprint realignment plan | Minimum | Employee termination benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | 14,000 |  | 14,000 |  |
2016 Manufacturing footprint realignment plan | Maximum |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | 44,000 |  | 44,000 |  |
Restructuring costs expected cash payment | 31,000 |  | 31,000 |  |
2016 Manufacturing footprint realignment plan | Maximum | Employee termination benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | 15,000 |  | 15,000 |  |
2015 Restructuring programs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 58 | (74) | 48 | 4,306 |
Aggregate restructuring charges incurred | 6,400 |  | 6,400 |  |
Restructuring reserve | 500 |  | 500 |  |
2015 Restructuring programs | Employee termination benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | (103) | (198) | (502) | 3,361 |
2014 Manufacturing footprint realignment plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 314 | 831 | (101) | 1,497 |
Aggregate restructuring charges incurred | 10,800 |  | 10,800 |  |
Restructuring reserve | 5,900 |  | 5,900 |  |
Restructuring expenses | 2,800 |  | 6,800 |  |
2014 Manufacturing footprint realignment plan | Employee termination benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 308 | $ 619 | (118) | $ 831 |
2014 Manufacturing footprint realignment plan | Accelerated Depreciation And Other Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expenses | 2,500 |  | 6,900 |  |
Restructuring charges reversal |  |  | 100 |  |
2014 Manufacturing footprint realignment plan | Accelerated Depreciation And Other Costs | Cost of goods sold |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expenses |  |  | 21,300 |  |
2014 Manufacturing footprint realignment plan | Minimum |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | 43,000 |  | 43,000 |  | $ 37,000
Restructuring costs expected cash payment | 33,000 |  | 33,000 |  | 26,000
2014 Manufacturing footprint realignment plan | Minimum | Employee termination benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | 11,000 |  | 11,000 |  |
2014 Manufacturing footprint realignment plan | Maximum |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | 48,000 |  | 48,000 |  | 44,000
Restructuring costs expected cash payment | 38,000 |  | 38,000 |  | $ 31,000
2014 Manufacturing footprint realignment plan | Maximum | Employee termination benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected restructuring charges | $ 12,000 |  | $ 12,000 |  |

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