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Significant Accounting Policies (Narrative) (Details) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 30, 2016 USD ($) | Apr. 01, 2016 Business | Sep. 29, 2017 USD ($) Plan shares | Sep. 30, 2016 USD ($) | Oct. 02, 2015 USD ($) shares | May 19, 2017 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number of operating and reporting structure of business | Business |  | 4 |  |  |  |
Goodwill, impairment during period |  |  | $ 0 |  |  |
Goodwill |  |  | 3,009,826,000 | $ 3,079,628,000 |  |
Overall foreign currency translation adjustment |  |  | 140,527,000 | $ 46,515,000 | $ 136,168,000 |
Amortization of intangible assets year one |  |  | 49,700,000 |  |  |
Amortization of intangible assets year two |  |  | 48,300,000 |  |  |
Amortization of intangible assets year three |  |  | 46,100,000 |  |  |
Amortization of intangible assets year four |  |  | 40,900,000 |  |  |
Amortization of intangible assets year five |  |  | $ 39,500,000 |  |  |
Number of incentive plans | Plan |  |  | 2 |  |  |
Number of stock options granted | shares |  |  | 0 |  |  |
EPS Based Awards, maturity date |  |  | Nov. 19, 2018 |  |  |
EPS Based Awards, vesting date |  |  | Nov. 16, 2019 |  |  |
Saudi Arabia-based Joint Venture |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Date of joint venture agreement |  |  | May 19, 2017 |  |  |
Percentage of ownership interest in joint venture |  |  |  |  |  | 50.00%
Initial capital contributions to joint venture |  |  |  |  |  | $ 6,500,000
Loan commitment to joint venture |  |  |  |  |  | 7,000,000
Additional future loans commitments to joint venture |  |  |  |  |  | $ 7,000,000
Performance Shares |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Performance period for meeting certain performance targets |  |  | 3 years |  |  |
Earned Net Earnings Growth Based PSUs | Fiscal 2015 |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Restricted Stock, unit basis rule, percent of target RSU |  |  | 33.30% |  |  |
Earned Net Earnings Growth Based PSUs | Fiscal 2016 |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Restricted Stock, unit basis rule, percent of target RSU |  |  | 66.70% |  |  |
EPS Growth Rate | Fiscal 2016 |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Restricted Stock, unit basis rule, percent of target RSU |  |  | 33.30% |  |  |
EPS Growth Rate | Fiscal 2017 |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Restricted Stock, unit basis rule, percent of target RSU |  |  | 66.70% |  |  |
Earned Relative TSR Based PSUs |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Determination period |  |  | 3 years |  |  |
Total stockholder return, beginning stock price, number of calendar days average closing common stock price ending on award date |  |  | 30 days |  |  |
Total stockholder return, ending stock price, number of calendar days average closing price ending on last day of performance period |  |  | 30 days |  |  |
Number of stock units awarded | shares |  |  | 0 |  | 0 |
EPS Growth Rate Restricted Stock Units 2017 Awards | Fiscal 2017 |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Restricted Stock, unit basis rule, percent of target RSU |  |  | 33.30% |  |  |
EPS Growth Rate Restricted Stock Units 2017 Awards | Fiscal 2018 |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Restricted Stock, unit basis rule, percent of target RSU |  |  | 66.70% |  |  |
ROIC Based PSUs | Between 8.9% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
EPS Growth rate, unit basis rule, ROIC threshold percent for multiplier to be determined using straight line Interpolation |  |  | 8.90% |  |  |
ROIC Based PSUs | Between 9.9% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
EPS Growth rate, unit basis rule, ROIC threshold percent for multiplier to be determined using straight line Interpolation |  |  | 9.90% |  |  |
ROIC Based PSUs | Between 10.9% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
EPS Growth rate, unit basis rule, ROIC threshold percent for multiplier to be determined using straight line Interpolation |  |  | 10.90% |  |  |
Goodwill Adjustment |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Overstatement adjustment of financial statements line item | $ 209,900,000 |  |  |  |  |
Accumulated Other Comprehensive Income Adjustment |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Overstatement adjustment of financial statements line item | $ 209,900,000 |  |  |  |  |
Other Comprehensive Income Adjustment |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Overstatement adjustment of financial statements line item |  |  | $ 33,800,000 |  |  |
Aquenta Consulting Pty Ltd. And Blue Canopy LLC [Member] |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Goodwill |  |  | $ 119,300,000 |  |  |
Minimum |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Percentage of fair value of each reporting unit in excess of book value |  |  | 27.00% |  |  |
Minimum | Earned Net Earnings Growth Based PSUs | Between 5% and 10% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Earned Adjusted Net Earnings Growth Restricted Stock, unit basis rule, net earnings average growth threshold percent for multiplier to be determined using straight line Interpolation |  |  | 5.00% |  |  |
Minimum | Earned Net Earnings Growth Based PSUs | Between 10% and 15% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Earned Adjusted Net Earnings Growth Restricted Stock, unit basis rule, net earnings average growth threshold percent for multiplier to be determined using straight line Interpolation |  |  | 10.00% |  |  |
Minimum | Earned Net Earnings Growth Based PSUs | Between 15% and 20% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Earned Adjusted Net Earnings Growth Restricted Stock, unit basis rule, net earnings average growth threshold percent for multiplier to be determined using straight line Interpolation |  |  | 15.00% |  |  |
Minimum | EPS Growth Rate | Between 15% and 20% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
EPS Growth rate, unit basis rule, EPS threshold percent for multiplier to be determined using straight line Interpolation |  |  | 15.00% |  |  |
Minimum | EPS Growth Rate | Between 4% and 7.5% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
EPS Growth rate, unit basis rule, EPS threshold percent for multiplier to be determined using straight line Interpolation |  |  | 4.00% |  |  |
Minimum | EPS Growth Rate | Between 7.5% and 15% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
EPS Growth rate, unit basis rule, EPS threshold percent for multiplier to be determined using straight line Interpolation |  |  | 7.50% |  |  |
Minimum | Building |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Estimated useful life of assets |  |  | 20 years |  |  |
Minimum | Equipment |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Estimated useful life of assets |  |  | 3 years |  |  |
Minimum | Leasehold Improvements |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Estimated useful life of assets |  |  | 4 years |  |  |
Maximum |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Percentage of fair value of each reporting unit in excess of book value |  |  | 110.00% |  |  |
Maximum | Earned Net Earnings Growth Based PSUs | Between 5% and 10% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Earned Adjusted Net Earnings Growth Restricted Stock, unit basis rule, net earnings average growth threshold percent for multiplier to be determined using straight line Interpolation |  |  | 10.00% |  |  |
Maximum | Earned Net Earnings Growth Based PSUs | Between 10% and 15% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Earned Adjusted Net Earnings Growth Restricted Stock, unit basis rule, net earnings average growth threshold percent for multiplier to be determined using straight line Interpolation |  |  | 15.00% |  |  |
Maximum | Earned Net Earnings Growth Based PSUs | Between 15% and 20% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Earned Adjusted Net Earnings Growth Restricted Stock, unit basis rule, net earnings average growth threshold percent for multiplier to be determined using straight line Interpolation |  |  | 20.00% |  |  |
Maximum | EPS Growth Rate | Between 15% and 20% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
EPS Growth rate, unit basis rule, EPS threshold percent for multiplier to be determined using straight line Interpolation |  |  | 20.00% |  |  |
Maximum | EPS Growth Rate | Between 4% and 7.5% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
EPS Growth rate, unit basis rule, EPS threshold percent for multiplier to be determined using straight line Interpolation |  |  | 7.50% |  |  |
Maximum | EPS Growth Rate | Between 7.5% and 15% |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
EPS Growth rate, unit basis rule, EPS threshold percent for multiplier to be determined using straight line Interpolation |  |  | 15.00% |  |  |
Maximum | Building |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Estimated useful life of assets |  |  | 40 years |  |  |
Maximum | Equipment |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Estimated useful life of assets |  |  | 10 years |  |  |
Maximum | Leasehold Improvements |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Estimated useful life of assets |  |  | 10 years |  |  |

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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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