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General (Details) | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 29, 2018 USD ($) segment Facility continent $ / shares | Sep. 29, 2018 $ / shares | Jun. 30, 2018 $ / shares | Mar. 31, 2018 $ / shares | Dec. 31, 2016 USD ($) $ / shares | Oct. 01, 2016 $ / shares | Jul. 02, 2016 $ / shares | Apr. 02, 2016 $ / shares | Dec. 29, 2018 USD ($) weeks segment Facility continent $ / shares shares | Dec. 30, 2017 USD ($) weeks $ / shares shares | Dec. 31, 2016 USD ($) weeks $ / shares shares | Oct. 05, 2018 USD ($) | May 31, 2018 USD ($) | Jan. 02, 2016 USD ($)
General [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Significant Sales |  |  |  |  |  |  |  |  | $ 113,500,000 | $ 0 | $ 0 |  |  |
Cash and cash equivalents | $ 107,262,000 |  |  |  |  |  |  |  | 107,262,000 | 106,774,000 |  |  |  |
Income tax expense/(benefit) |  |  |  |  |  |  |  |  | $ 12,031,000 | $ (69,154,000) | $ 15,315,000 |  |  |
Expected Business Combination, Number of Continents in which Entity Operates | continent | 5 |  |  |  |  |  |  |  | 5 |  |  |  |  |
Number of Operating Segments | segment | 3 |  |  |  |  |  |  |  | 3 |  |  |  |  |
Accounting Policies [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number Of Weeks Year To Date | weeks |  |  |  |  |  |  |  |  | 52 | 52 | 52 |  |  |
Cash and Cash Equivalents [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments Classified As Cash Equivalents, Original Maturity |  |  |  |  |  |  |  |  | 3 months |  |  |  |  |
Goodwill [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | $ 1,229,159,000 |  |  |  | $ 1,225,893,000 |  |  |  | $ 1,229,159,000 | $ 1,301,093,000 | $ 1,225,893,000 | $ 8,000,000 | $ 19,600,000 |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | $ 101,496,000 | $ 128,468,000 | $ 102,313,000 |  |  |
Shares (in shares) | shares |  |  |  |  |  |  |  |  | 164,789,000 | 164,752,000 | 164,600,000 |  |  |
Basic (in dollars per share) | $ / shares | $ 0.25 | $ (0.04) | $ (0.18) | $ 0.59 | $ 0.64 | $ 0.05 | $ 0.06 | $ 0.04 | $ 0.62 | $ 0.78 | $ 0.62 |  |  |
Effect of dilutive securities: [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Add: Option shares in the money and dilutive effect of nonvested stock (in shares) | shares |  |  |  |  |  |  |  |  | 5,234,000 | 3,865,000 | 1,329,000 |  |  |
Less: Pro-forma treasury shares (in shares) | shares |  |  |  |  |  |  |  |  | (2,113,000) | (1,887,000) | (717,000) |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income |  |  |  |  |  |  |  |  | $ 101,496,000 | $ 128,468,000 | $ 102,313,000 |  |  |
Shares (in shares) | shares |  |  |  |  |  |  |  |  | 167,910,000 | 166,730,000 | 165,212,000 |  |  |
Diluted (in dollars per share) | $ / shares | $ 0.24 | $ (0.04) | $ (0.18) | $ 0.58 | $ 0.63 | $ 0.05 | $ 0.05 | $ 0.04 | $ 0.60 | $ 0.77 | $ 0.62 |  |  |
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense |  |  |  |  |  |  |  |  | $ 18,800,000 | $ 17,600,000 | $ 10,300,000 |  |  |
Employee service share-based compensation, tax benefit from compensation expense |  |  |  |  |  |  |  |  | 3,900,000 | 3,700,000 | 3,400,000 |  |  |
Foreign currency translation |  |  |  |  |  |  |  |  | (86,900,000) | 125,700,000 | (3,700,000) |  |  |
Restricted Cash and Cash Equivalents | $ 107,000 |  |  |  |  |  |  |  | 107,000 | 142,000 |  |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | $ 107,369,000 |  |  |  | $ 114,857,000 |  |  |  | 107,369,000 | $ 106,916,000 | $ 114,857,000 |  |  | $ 157,215,000
Financing Receivable, Significant Sales, Transaction Fees |  |  |  |  |  |  |  |  | $ 600,000 |  |  |  |  |
Stock Options [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Antidilutive Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Antidilutive securities excluded from computation of earnings per share, amount | shares |  |  |  |  |  |  |  |  | 693,172 | 340,504 | 1,148,707 |  |  |
Non Vested Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Antidilutive Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Antidilutive securities excluded from computation of earnings per share, amount | shares |  |  |  |  |  |  |  |  | 502,292 | 288,616 | 758,557 |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
General [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Processing and Transfer Facilities | Facility | 200 |  |  |  |  |  |  |  | 200 |  |  |  |  |
Accounting Policies [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number Of Weeks Year To Date | weeks |  |  |  |  |  |  |  |  | 52 |  |  |  |  |
Minimum [Member] | Buildings and improvements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  | 15 years |  |  |  |  |
Minimum [Member] | Machinery and equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |
Minimum [Member] | Vehicles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |
Minimum [Member] | Aircraft [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  | 7 years |  |  |  |  |
Minimum [Member] | Routes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |
Minimum [Member] | Permits [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |
Minimum [Member] | Non-compete agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |
Minimum [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number Of Weeks Year To Date | weeks |  |  |  |  |  |  |  |  | 53 |  |  |  |  |
Maximum [Member] | Buildings and improvements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  | 30 years |  |  |  |  |
Maximum [Member] | Machinery and equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |
Maximum [Member] | Vehicles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  | 8 years |  |  |  |  |
Maximum [Member] | Aircraft [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |
Maximum [Member] | Routes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 21 years |  |  |  |  |
Maximum [Member] | Permits [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 20 years |  |  |  |  |
Maximum [Member] | Non-compete agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 7 years |  |  |  |  |
Maximum [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 15 years |  |  |  |  |

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