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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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