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Acquisitions and Shutdown of China Operations - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 11, 2015 | Apr. 16, 2014 | Mar. 12, 2014 | Dec. 12, 2013 | Oct. 28, 2013 | Jul. 22, 2013 | Jul. 15, 2013 | Mar. 04, 2013 | Jan. 02, 2016 | Oct. 03, 2015 | Jul. 04, 2015 | Apr. 04, 2015 | Jan. 03, 2015 | Sep. 27, 2014 | Jun. 28, 2014 | Mar. 29, 2014 | Jan. 02, 2016 | Jan. 03, 2015 | Dec. 28, 2013
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, goodwill |  |  |  |  |  |  |  |  | $ 159,331 |  |  |  | $ 168,279 |  |  |  | $ 159,331 | $ 168,279 |
Acquired intangible assets amortized period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 105 days
Gain related to acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 10,540 | $ 0
Earnings per share, diluted |  |  |  |  |  |  |  |  | $ (0.18) | $ 0.38 | $ 0.49 | $ (0.10) | $ 0.08 | $ 0.67 | $ 0.95 | $ 0.38 | $ 0.56 | $ 2.08 | $ 3.60
CHINA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business operation closing cost |  |  |  | $ 2,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alberta Ltd and Saskatchewan Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net purchase price |  |  |  |  |  |  |  | $ 35,000 |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, goodwill |  |  |  |  |  |  |  | 34,124 |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, inventory |  |  |  |  |  |  |  | 218 |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, fixed assets |  |  |  |  |  |  |  | 182 |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, prepaid expenses |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, deferred revenue |  |  |  |  |  |  |  | 1,135 |  |  |  |  |  |  |  |  |  |  |
Alberta Ltd and Saskatchewan Ltd | Customer Relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, identifiable intangibles |  |  |  |  |  |  |  | 473 |  |  |  |  |  |  |  |  |  |  |
Alberta Ltd and Saskatchewan Ltd | Franchise Rights |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, intangible assets, indefinite lived |  |  |  |  |  |  |  | $ 1,135 |  |  |  |  |  |  |  |  |  |  |
Acquired intangible assets amortized period |  |  |  |  |  |  |  | 10 months |  |  |  |  |  |  |  |  |  |  |
West Virginia, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net purchase price |  |  |  |  |  |  | $ 16,028 |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, goodwill |  |  |  |  |  |  | 5,212 |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, fixed assets |  |  |  |  |  |  | 209 |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, assumed liabilities |  |  |  |  |  |  | 28 |  |  |  |  |  |  |  |  |  |  |  |
West Virginia, Inc. | Customer Relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, identifiable intangibles |  |  |  |  |  |  | 448 |  |  |  |  |  |  |  |  |  |  |  |
West Virginia, Inc. | Franchise Rights |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, intangible assets, indefinite lived |  |  |  |  |  |  | $ 10,131 |  |  |  |  |  |  |  |  |  |  |  |
Columbus, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net purchase price |  |  |  |  |  | $ 23,357 |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, assumed liabilities |  |  |  |  |  | $ 143 |  |  |  |  |  |  |  |  |  |  |  |  |
Columbus, Inc. | Franchise Rights |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired intangible assets amortized period |  |  |  |  |  | 5 months |  |  |  |  |  |  |  |  |  |  |  |  |
Northern Nevada, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net purchase price |  |  |  |  |  | $ 3,969 |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, assumed liabilities |  |  |  |  |  | 31 |  |  |  |  |  |  |  |  |  |  |  |  |
Columbus, Inc. and Northern Nevada, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, goodwill |  |  |  |  |  | 23,549 |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, inventory |  |  |  |  |  | 27 |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, fixed assets |  |  |  |  |  | 116 |  |  |  |  |  |  |  |  |  |  |  |  |
Columbus, Inc. and Northern Nevada, Inc. | Customer Relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, identifiable intangibles |  |  |  |  |  | 494 |  |  |  |  |  |  |  |  |  |  |  |  |
Columbus, Inc. and Northern Nevada, Inc. | Franchise Rights |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, intangible assets, indefinite lived |  |  |  |  |  | $ 3,314 |  |  |  |  |  |  |  |  |  |  |  |  |
Manitoba Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net purchase price |  |  |  |  | $ 5,197 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, goodwill |  |  |  |  | 4,946 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, inventory |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, prepaid expenses |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, assumed liabilities |  |  |  |  | 28 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Manitoba Ltd | Customer Relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, identifiable intangibles |  |  |  |  | 249 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Manitoba Ltd | Franchise Rights |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, intangible assets, indefinite lived |  |  |  |  | $ 28 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired intangible assets amortized period |  |  |  |  | 2 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Franklin and St Lawrence Counties Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net purchase price |  |  |  |  | $ 274 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, goodwill |  |  |  |  | 223 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, prepaid expenses |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, assumed liabilities |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Franklin and St Lawrence Counties Inc | Customer Relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, identifiable intangibles |  |  |  |  | 13 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Franklin and St Lawrence Counties Inc | Franchise Rights |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, intangible assets, indefinite lived |  |  |  |  | $ 38 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired intangible assets amortized period |  |  |  |  | 9 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vigilantes do Peso Marketing Ltda |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net purchase price |  |  | $ 14,181 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, goodwill |  |  | 26,257 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, inventory |  |  | 287 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, fixed assets |  |  | 575 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, prepaid expenses |  |  | 421 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, deferred revenue |  |  | $ 445 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership |  |  | 35.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership acquired |  |  | 45.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, cash acquired |  |  | $ 2,262 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, equity interest held immediately before acquisition |  |  | 12 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, fair value of equity interest |  |  | 11,029 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remeasurement gain on business acquisition |  |  | 11,017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition cost associated with settlement of royalty-free arrangement |  |  | 477 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain related to acquisition |  |  | 10,540 |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,540 |  |  |
Gain related to acquisition, after-tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,429 |  |  |
Earnings per share, diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.11 |  |  |
Business acquisition, fair value of noncontrolling interest |  |  | 6,157 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, net purchase price |  |  | 28,616 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, deferred tax liabilities |  |  | $ 680 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vigilantes do Peso Marketing Ltda | Call and Put Option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership |  |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vigilantes do Peso Marketing Ltda | Customer Relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, identifiable intangibles |  |  | $ 275 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Knowplicity, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net purchase price |  | $ 4,770 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, goodwill |  | 6,204 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, fixed assets |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, prepaid expenses |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, cash acquired |  | 11 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, net purchase price |  | 8,977 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, common stock issued |  | 4,207 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, website development |  | 4,516 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, deferred tax liabilities |  | $ 1,759 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weilos |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net purchase price | $ 2,775 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, goodwill | 5,588 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, identifiable intangibles | 1,741 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, fixed assets | 24 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, assumed liabilities | 975 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, net purchase price | 6,674 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, common stock issued | 2,810 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, deferred tax liabilities | 679 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, purchase price allocation, restricted stock issued | 114 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted shares issued to key employees | $ 908 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
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- Definition Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
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- Definition The amount of inventory recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 + Details
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 + Details
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- Definition Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 + Details
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