Estimated Fair Values of Assets Acquired and Liabilities Assumed for Wunder Bar Acquisition (Details) (USD $) In Thousands, unless otherwise specified	Apr. 04, 2015	Jan. 03, 2015	Dec. 17, 2013
Business Acquisition [Line Items]
Goodwill	$ 819,274	$ 808,491
Wunder-Bar [Member]
Business Acquisition [Line Items]
Cash			857
Current deferred tax asset			238
Current assets			13,783
Property, plant and equipment			1,423
Goodwill			41,805
Other intangibles			33,060
Other asset			290
Current liabilities			4,148
Long-term deferred tax liability			(12,091)
Other non-current liabilities			366
Consideration paid at closing			74,851
Business Acquisition, Deferred Payments			586
Net assets acquired and liabilities assumed			76,285
as initially reported | Wunder-Bar [Member]
Business Acquisition [Line Items]
Cash			857
Current deferred tax asset			50
Current assets			13,127
Property, plant and equipment			1,735
Goodwill			45,056
Other intangibles			30,000
Other asset			0
Current liabilities			(5,013)
Long-term deferred tax liability			10,811
Other non-current liabilities			(1)
Consideration paid at closing			75,000
Business Acquisition, Deferred Payments			0
Net assets acquired and liabilities assumed			75,000
Scenario, Adjustment [Member] | Wunder-Bar [Member]
Business Acquisition [Line Items]
Cash			0
Current deferred tax asset			188
Current assets			656
Property, plant and equipment			(312)
Goodwill			(3,251)
Other intangibles			3,060
Other asset			290
Current liabilities			(865)
Long-term deferred tax liability			(1,280)
Other non-current liabilities			365
Consideration paid at closing			(149)
Business Acquisition, Deferred Payments			586
Net assets acquired and liabilities assumed			$ 1,285