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Restructuring charges and impairment charges - Charges Recognized (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Apr. 01, 2018
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 14,365 | $ 3,063
Asset impairment charges | 3,030 |
Restructuring and impairment charges | 17,395 | 3,063
Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 13,538 | 2,656
Asset impairment charges | 0 |
Restructuring and impairment charges | 13,538 |
Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 827 | 407
Asset impairment charges | 3,030 |
Restructuring and impairment charges | 3,857 |
2019 Footprint realignment plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 12,975 |
2019 Footprint realignment plan | Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 12,975 |
2019 Footprint realignment plan | Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 0 |
2018 Footprint realignment plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 1,011 |
2018 Footprint realignment plan | Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 437 |
2018 Footprint realignment plan | Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 574 |
Other restructuring programs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 379 | 790
Other restructuring programs | Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 126 | 585
Other restructuring programs | Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 253 | 205
2016 Footprint realignment plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 2,149
2016 Footprint realignment plan | Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 1,955
2016 Footprint realignment plan | Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 194
2014 Footprint realignment plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 124
2014 Footprint realignment plan | Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 116
2014 Footprint realignment plan | Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | $ 8

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
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