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Investments and Other (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Investments And Other [Abstract]
Investments in unconsolidated affiliates	$ 268,364	$ 299,249
Non-current deferred foreign, state and local income taxes	10,962	16,685
Notes receivable	35,015	27,492
Capitalized costs for internally generated software for resale	35,359	32,321
Distribution rights and exclusivity agreements, net of amortization	1,378	1,937
Acquisition related indemnification	65,558	51,294
Other long-term assets	15,366	13,812
Total	432,002	442,790
Amortization of other long-term assets	$ 9,300	$ 7,800	$ 6,100

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- Definition

Legal rights, generally of a limited duration, to distribute a product, often within specific geographic areas or supply channels, net of amortization.

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- Definition

The amount of indemnification assets (amounts to be reimbursed if and when certain assumed liabilities are paid) recognized at the acquisition date of a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
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- Definition

The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent.

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Amount of investments, and noncurrent assets classified as other.

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date more than one year from the balance sheet date, net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

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Amount of expense charged against earnings to allocate the cost of tangible and intangible assets over their remaining economic lives, classified as other.

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