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Debt (Details) - USD ($) | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 02, 2016 | Dec. 31, 2015 | Apr. 30, 2015 | Jun. 30, 2013
Debt [Line Items] |  |  |  |
Notes payable and debt | $ 125,499,000 | $ 175,309,000 |  |
Long-term debt | 1,593,301,000 | 1,493,027,000 |  |
Total debt | 1,718,800,000 | 1,668,336,000 |  |
Line of Credit [Line Items] |  |  |  |
Foreign subsidiary lines of credit | 499,000 | 322,000 |  |
Line of credit maximum borrowing capacity | $ 100,000,000 | $ 97,000,000 |  |
Line of credit interest rate during the period | 1.48% | 1.24% |  |
Current Liabilities |  |  |  |
Debt [Line Items] |  |  |  |
Unamortized debt issuance costs |  | $ (13,000) |  |
Long-Term Liabilities |  |  |  |
Debt [Line Items] |  |  |  |
Unamortized debt issuance costs | $ (1,699,000) | (1,973,000) |  |
Senior unsecured notes - Series B [Member] |  |  |  |
Debt [Line Items] |  |  |  |
Stated interest rate on debt instrument | 5.00% |  |  |
Long-term debt | $ 100,000,000 | $ 100,000,000 |  |
Senior unsecured notes - Series C [Member] |  |  |  |
Debt [Line Items] |  |  |  |
Stated interest rate on debt instrument |  | 2.50% |  |
Notes payable and debt |  | $ 50,000,000 |  |
Senior unsecured notes - Series D [Member] |  |  |  |
Debt [Line Items] |  |  |  |
Stated interest rate on debt instrument | 3.22% |  |  |
Long-term debt | $ 100,000,000 | 100,000,000 |  |
Senior unsecured notes - Series E [Member] |  |  |  |
Debt [Line Items] |  |  |  |
Stated interest rate on debt instrument | 3.97% |  |  |
Long-term debt | $ 50,000,000 | 50,000,000 |  |
Senior unsecured notes - Series F [Member] |  |  |  |
Debt [Line Items] |  |  |  |
Stated interest rate on debt instrument | 3.40% |  |  |
Long-term debt | $ 100,000,000 | 100,000,000 |  |
Senior unsecured notes - Series G [Member] |  |  |  |
Debt [Line Items] |  |  |  |
Stated interest rate on debt instrument | 3.92% |  |  |
Long-term debt | $ 50,000,000 | 50,000,000 |  |
Senior unsecured notes - Series H [Member] |  |  |  |
Debt [Line Items] |  |  |  |
Interest rate terms on debt | * Series H senior unsecured notes bear interest at 3 month LIBOR for that floating rate interest period plus 1.25%. |  |  |
Long-term debt | $ 50,000,000 | 50,000,000 |  |
Credit Agreements |  |  |  |
Debt [Line Items] |  |  |  |
Interest rate terms on debt | The interest rates applicable to the Amended Credit Agreement are, at the Company’s option, equal to either the alternate base rate calculated daily (which is a rate per annum equal to the greatest of (a) the prime rate in effect on such day, (b) the federal funds effective rate in effect on such day plus 1/2% per annum, or (c) the adjusted LIBO rate on such day (or if such day is not a business day, the immediately preceding business day) for a deposit in U.S. dollars with a maturity of one month plus 1% per annum) or the applicable 1, 2, 3 or 6 month adjusted LIBO rate, in each case, plus an interest rate margin based upon the Company’s leverage ratio, which can range between 0 to 12.5 basis points for alternate base rate loans and between 80 basis points and 117.5 basis points for adjusted LIBO rate loans. |  |  |
Debt facility fee | The facility fee on the Amended Credit Agreement ranges between 7.5 basis points and 20 basis points. |  |  |
Debt covenant description | The Amended Credit Agreement requires that the Company comply with an interest coverage ratio test of not less than 3.50:1 as of the end of any fiscal quarter for any period of four consecutive fiscal quarters and a leverage ratio test of not more than 3.50:1 as of the end of any fiscal quarter. |  |  |
Notes payable and debt | $ 125,000,000 | 125,000,000 |  |
Long-term debt | 1,145,000,000 | 1,045,000,000 |  |
Unused borrowing capacity | 328,000,000 | 428,000,000 |  |
Credit Agreements | Term loan facility [Member] |  |  |  |
Debt [Line Items] |  |  |  |
Face value of debt |  |  |  | $ 300,000,000
Credit Agreements | Revolving facilities [Member] |  |  |  |
Debt [Line Items] |  |  |  |
Face value of debt |  |  | $ 1,300,000,000 | $ 1,100,000,000
Long-term debt | $ 845,000,000 |  |  |
Unsecured debt |  |  |  |
Debt [Line Items] |  |  |  |
Call feature on debt instrument | The Company may prepay all or some of the senior unsecured notes at any time in an amount not less than 10% of the aggregate principal amount outstanding, plus the applicable make-whole amount or prepayment premium for Series H senior unsecured notes. In the event of a change in control of the Company (as defined in the note purchase agreement), the Company may be required to prepay the senior unsecured notes at a price equal to 100% of the principal amount thereof, plus accrued and unpaid interest. |  |  |
Debt covenant description | These senior unsecured notes require that the Company comply with an interest coverage ratio test of not less than 3.50:1 for any period of four consecutive fiscal quarters and a leverage ratio test of not more than 3.50:1 as of the end of any fiscal quarter. |  |  |
Long-term debt | $ 450,000,000 | $ 500,000,000 |  |
Credit Agreements and Unsecured Debt [Member] |  |  |  |
Debt [Line Items] |  |  |  |
Weighted-average interest rate | 2.16% | 2.11% |  |

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- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 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 + Details
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- Definition Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer. + 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 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Description of a feature that permits the issuer of the debt to repay or convert it before the stated maturity date (early retirement date). The description may include such items as the call price, the period that the issuer can call the debt, including the earliest call date, and other significant terms of the call feature, which may include the debt holders' ability to convert the debt to equity if the call option is exercised and contingent events that trigger the issuer's ability to call the debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 Reference 2: 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(a)(5)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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- Definition Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + 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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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