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General (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 30, 2017 USD ($) segment Facility continent $ / shares | Sep. 30, 2017 $ / shares | Jul. 01, 2017 $ / shares | Apr. 01, 2017 $ / shares | Dec. 31, 2016 USD ($) $ / shares | Oct. 01, 2016 $ / shares | Jul. 02, 2016 $ / shares | Apr. 02, 2016 $ / shares | Dec. 30, 2017 USD ($) weeks segment Facility continent $ / shares shares | Dec. 31, 2016 USD ($) weeks $ / shares shares | Jan. 02, 2016 USD ($) weeks $ / shares shares
General [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income tax expense/(benefit) |  |  |  |  |  |  |  |  | $ (69,154) | $ 15,315 | $ 13,501
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 | $ 1,301,093 |  |  |  | $ 1,225,893 |  |  |  | $ 1,301,093 | $ 1,225,893 | $ 1,233,102
Basic: |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | $ 128,468 | $ 102,313 | $ 78,531
Shares (in shares) | shares |  |  |  |  |  |  |  |  | 164,752,000 | 164,600,000 | 165,031,000
Basic (in dollars per share) | $ / shares | $ 0.64 | $ 0.05 | $ 0.06 | $ 0.04 | $ 0.25 | $ 0.17 | $ 0.19 | $ 0.01 | $ 0.78 | $ 0.62 | $ 0.48
Effect of dilutive securities: [Abstract] |  |  |  |  |  |  |  |  |  |  |
Add: Option shares in the money and dilutive effect of nonvested stock (in shares) | shares |  |  |  |  |  |  |  |  | 3,865,000 | 1,329,000 | 168,000
Less: Pro-forma treasury shares (in shares) | shares |  |  |  |  |  |  |  |  | (1,887,000) | (717,000) | (80,000)
Diluted: |  |  |  |  |  |  |  |  |  |  |
Net Income |  |  |  |  |  |  |  |  | $ 128,468 | $ 102,313 | $ 78,531
Shares (in shares) | shares |  |  |  |  |  |  |  |  | 166,730,000 | 165,212,000 | 165,119,000
Diluted (in dollars per share) | $ / shares | $ 0.63 | $ 0.05 | $ 0.05 | $ 0.04 | $ 0.25 | $ 0.17 | $ 0.19 | $ 0.01 | $ 0.77 | $ 0.62 | $ 0.48
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense |  |  |  |  |  |  |  |  | $ 17,600 | $ 10,300 | $ 9,000
Employee service share-based compensation, tax benefit from compensation expense |  |  |  |  |  |  |  |  | 3,700 | 3,400 | 3,300
Payments related to tax withholding for share-based compensation |  |  |  |  |  |  |  |  |  | (400) | (400)
Foreign currency translation |  |  |  |  |  |  |  |  | $ 125,700 | $ (3,700) | $ (164,800)
Stock Options [Member] |  |  |  |  |  |  |  |  |  |  |
Antidilutive Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |
Antidilutive securities excluded from computation of earnings per share, amount | shares |  |  |  |  |  |  |  |  | 340,504 | 1,148,707 | 790,092
Non Vested Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Antidilutive Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |
Antidilutive securities excluded from computation of earnings per share, amount | shares |  |  |  |  |  |  |  |  | 288,616 | 758,557 | 587,961
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 |  |
Accounting Standards Update 2016-09 [Member] |  |  |  |  |  |  |  |  |  |  |
General [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income tax expense/(benefit) |  |  |  |  |  |  |  |  | $ 100 |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |
Shares (in shares) | shares |  |  |  |  |  |  |  |  | 367,000 |  |

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