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Long-Term Debt (Senior Credit Facility) (Details) |  |  |  | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Mar. 01, 2016 USD ($) | Mar. 26, 2015 USD ($) | Sep. 25, 2013 USD ($) | Sep. 25, 2013 USD ($) | Oct. 01, 2016 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Senior secured credit facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity under credit facility |  | $ 1,800,000,000 | $ 1,000,000,000 | $ 1,000,000,000 |  |  |
Term of line of credit (years) |  |  |  | 5 years |  |  |
Payment of financing costs |  |  | 1,836,000 |  |  |  |
Unamortized financing costs |  |  | $ 11,440,000 | $ 11,440,000 |  |  |
Commitment fee percentage |  |  |  |  |  | 0.125% |
Utilized borrowings under credit facility |  |  |  |  |  | $ 881,916,000 |
Available amount under credit facility |  |  |  |  |  | 918,084,000 |
Senior secured credit facility | Minimum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Commitment fee percentage |  | 0.10% |  |  |  |  |
Consolidated interest coverage ratio |  | 3.0 |  |  |  |  |
Senior secured credit facility | Maximum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Commitment fee percentage |  | 0.225% |  |  |  |  |
Consolidated interest coverage ratio |  | 3.75 |  |  |  |  |
Senior secured credit facility | Borrowings |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Utilized borrowings under credit facility |  |  |  |  |  | 60,672,000 |
Senior secured credit facility | Standby letters of credit related to various insurance contracts and foreign vendor commitments |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Standby letters of credit for various insurance contracts and commitments to foreign vendors |  |  |  |  |  | $ 941,000 | $ 1,381,000
Senior secured credit facility | Libor |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on debt instrument |  |  |  |  |  | 1.125% |
Senior secured credit facility | Libor | Minimum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on debt instrument |  | 1.00% |  |  |  |  |
Senior secured credit facility | Libor | Maximum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on debt instrument |  | 1.75% |  |  |  |  |
Senior secured credit facility | Federal funds |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on debt instrument |  | 0.50% |  |  |  |  |
Senior secured credit facility | Monthly libor |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on debt instrument |  | 1.00% |  |  |  | 0.125% |
Senior secured credit facility | Monthly libor | Minimum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on debt instrument |  | 0.00% |  |  |  |  |
Senior secured credit facility | Monthly libor | Maximum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on debt instrument |  | 0.75% |  |  |  |  |
Commercial paper |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Utilized borrowings under credit facility |  |  |  |  |  | $ 820,303,000 |
2015 Senior secured credit facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Unamortized financing costs |  |  |  |  | $ 532,000 |  |
2013 Senior secured credit facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Unamortized financing costs |  |  |  |  | 8,785,000 |  |
Senior secured credit facility maturing March 26 2020 | Senior secured credit facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity under credit facility | $ 120,000,000 |  |  |  |  |  |
Term loan facility | Line of credit | Unsecured debt |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity under credit facility | $ 200,000,000 |  |  |  |  |  |
Payment of financing costs |  |  |  |  | $ 553,000 |  |
Maturity period of debt | 3 years |  |  |  |  |  |

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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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