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Nature of Operations and Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Jan. 03, 2015 | Dec. 28, 2013 | Dec. 29, 2012
Accounting Policies [Abstract] |  |  |
Cash Paid for Interest | $ 1,081 us-gaap_InterestPaid | $ 961 us-gaap_InterestPaid | $ 856 us-gaap_InterestPaid
Cash Paid for Income Taxes | 10,035 us-gaap_IncomeTaxesPaidNet | 8,375 us-gaap_IncomeTaxesPaidNet | 9,326 us-gaap_IncomeTaxesPaidNet
Non-Cash Investing Activities: |  |  |
Fair Value of Assets Acquired | 14,771 us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1 | 88,398 us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1 | 0 us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1
Cash Paid for Acquired Businesses | (12,658)us-gaap_PaymentsToAcquireBusinessesGross | (67,453)us-gaap_PaymentsToAcquireBusinessesGross | 0 us-gaap_PaymentsToAcquireBusinessesGross
Liabilities Assumed of Acquired Businesses | 2,113 us-gaap_NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1 | 20,945 us-gaap_NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1 | 0 us-gaap_NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1
Non-Cash Financing Activities: |  |  |
Issuance of Company Common Stock | 3,220 us-gaap_StockIssued1 | 2,677 us-gaap_StockIssued1 | 2,106 us-gaap_StockIssued1
Dividends Declared but Unpaid | $ 1,630 us-gaap_DividendsPayableCurrentAndNoncurrent | $ 1,389 us-gaap_DividendsPayableCurrentAndNoncurrent | $ 0 us-gaap_DividendsPayableCurrentAndNoncurrent

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- Definition Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. + 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 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition The total amount of [all] liabilities that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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