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Long-Lived Assets - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 12,100	$ 11,700	$ 37,200	$ 35,600
Amortization of Intangible Assets Including Amortization of Software Development	23,400	26,200	71,200	76,300
Goodwill and other asset impairment	342,146	$ 0	342,146	$ 0
Goodwill impairment	326,100		326,100
Customer relationships
Property, Plant and Equipment [Line Items]
Impairment of intangible assets	14,400		14,100
Trademarks
Property, Plant and Equipment [Line Items]
Impairment of intangible assets	$ 1,600		$ 1,600

X

- Definition

Amortization of Intangible Assets Including Amortization of Software Development Intangible Assets.

+ References

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

+ References

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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