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Acquisitions - Additional Information (Details) € in Thousands |  |  |  |  | 5 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 30, 2017 USD ($) | Aug. 14, 2017 USD ($) | Jul. 05, 2017 USD ($) facility | Apr. 04, 2016 USD ($) | Apr. 04, 2016 EUR (€) | Dec. 30, 2017 USD ($) | Dec. 30, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 29, 2018 USD ($) | Dec. 30, 2017 USD ($) | Dec. 31, 2016 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Acquisition transaction costs |  |  |  |  |  |  |  |  | $ 1,321,000 | $ 5,375,000 | $ 1,832,000
Goodwill |  |  |  |  |  | $ 268,001,000 | $ 268,001,000 | $ 151,455,000 | 258,174,000 | 268,001,000 | 151,455,000
Payments to acquire businesses, net |  |  |  |  |  |  |  |  | $ 0 | 204,731,000 | 56,617,000
Weighted average useful life of acquired intangible assets |  |  |  |  |  |  |  |  | 12 years |  |
Cash payments in acquisition |  |  |  |  |  |  |  |  | $ 0 | 206,950,000 | $ 58,894,000
Revolving credit facility | Euro-Denominated Borrowing |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from revolving credit facility |  |  |  | $ 29,866,000 |  |  |  |  |  |  |
Unaflex |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash Paid to Seller Borrowed Under the Revolving Credit Facility |  | $ 31,274,000 |  |  |  |  |  |  |  |  |
Business combination, additional consideration to be transferred |  |  |  |  |  |  |  |  | $ 397,000 |  |
Goodwill |  | $ 15,640,000 |  |  |  |  |  |  |  |  |
Revenue from the date of acquisition |  |  |  |  |  | 7,335,000 |  |  |  |  |
Operating income from date of acquisition |  |  |  |  |  | 187,000 |  |  |  |  |
Amortization expense |  |  |  |  |  | $ 176,000 |  |  |  |  |
Weighted average useful life of acquired intangible assets |  | 10 years |  |  |  |  |  |  |  |  |
Cash payments in acquisition |  | $ 0 |  |  |  |  |  |  |  |  |
NII FPG |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash Paid to Seller Borrowed Under the Revolving Credit Facility |  |  | $ 170,018,000 |  |  |  |  |  |  |  |
Goodwill |  |  | 85,432,000 |  |  |  |  |  |  |  |
Revenue from the date of acquisition |  |  |  |  |  |  | 48,363,000 |  |  |  |
Operating income from date of acquisition |  |  |  |  |  |  | 1,238,000 |  |  |  |
Amortization expense |  |  |  |  |  |  | $ 6,399,000 |  |  |  |
Payments to acquire businesses, net |  |  | $ 170,792,000 |  |  |  |  |  |  |  |
Number of primary manufacturing facilities | facility |  |  | 2 |  |  |  |  |  |  |  |
Goodwill, expected tax deductible amount |  |  | $ 33,993,000 |  |  |  |  |  |  |  |
Weighted average useful life of acquired intangible assets |  |  | 12 years |  |  |  |  |  |  |  |
Cash payments in acquisition |  |  | $ 2,993,000 |  |  |  |  |  |  |  |
NII FPG | Product technology |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average useful life of acquired intangible assets |  |  | 15 years |  |  |  |  |  |  |  |
NII FPG | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average useful life of acquired intangible assets |  |  | 11 years |  |  |  |  |  |  |  |
NII FPG | Other intangibles |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average useful life of acquired intangible assets |  |  | 4 years |  |  |  |  |  |  |  |
NII FPG | Revolving credit facility | Canadian Denominated Borrowing |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash Paid to Seller Borrowed Under the Revolving Credit Facility |  |  | $ 62,690,000 |  |  |  |  |  |  |  |
NII FPG | Revolving credit facility | Euro-Denominated Borrowing |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash Paid to Seller Borrowed Under the Revolving Credit Facility |  |  | $ 61,769,000 |  |  |  |  |  |  |  |
Other |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash Paid to Seller Borrowed Under the Revolving Credit Facility | $ 2,500,000 |  |  |  |  |  |  |  |  | 2,500,000 |
Goodwill | 716,000 |  |  |  |  |  |  |  |  |  |
Cash payments in acquisition | $ 0 |  |  |  |  |  |  |  |  |  |
Other | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average useful life of acquired intangible assets | 11 years |  |  |  |  |  |  |  |  |  |
PAAL |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash Paid to Seller Borrowed Under the Revolving Credit Facility |  |  |  | 29,866,000 |  |  |  |  |  |  |
Goodwill |  |  |  | 38,552,000 |  |  |  |  |  |  |
Revenue from the date of acquisition |  |  |  |  |  |  |  | 40,783,000 |  |  |
Operating income from date of acquisition |  |  |  |  |  |  |  | 2,372,000 |  |  |
Amortization expense |  |  |  |  |  |  |  | $ 1,926,000 |  |  |
Payments to acquire businesses, net |  |  |  | 56,617,000 | € 49,713 |  |  |  |  |  |
Weighted average useful life of acquired intangible assets |  |  |  |  |  |  |  |  | 12 years |  |
Cash payments in acquisition |  |  |  | $ 29,193,000 |  |  |  |  |  | $ 165,000 |
PAAL | Product technology |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average useful life of acquired intangible assets |  |  |  |  |  |  |  |  | 9 years |  |
PAAL | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average useful life of acquired intangible assets |  |  |  |  |  |  |  |  | 13 years |  |
PAAL | Tradenames |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average useful life of acquired intangible assets |  |  |  |  |  |  |  |  | 14 years |  |
PAAL | Other intangibles |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average useful life of acquired intangible assets |  |  |  |  |  |  |  |  | 7 years |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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