Summary of Significant Accounting Policies Revenue recognition (Policies)	12 Months Ended
	Jan. 03, 2015
Deferred Revenue Disclosure [Abstract]
Revenue Recognition, Policy [Policy Text Block]	Revenue Recognition: The Company sells its products to clinics and hospitals primarily through a direct sales force. In certain international markets, the Company sells its products through independent distributors. The Company recognizes revenue when persuasive evidence of a sales arrangement exists, delivery of goods occurs through the transfer of title and risks and rewards of ownership, the selling price is fixed or determinable and collectability is reasonably assured. A portion of the Company's inventory is held by field sales representatives or consigned at customer locations. For such product inventory, revenue is recognized upon implant or when used by the customer. For products that are not consigned, revenue recognition generally occurs upon shipment to the customer or, in the case of distributors, when title transfers under the contract assuming all other revenue recognition criteria are met. The Company offers sales rebates and discounts to certain customers. The Company records such rebates and discounts as a reduction of net sales in the same period revenue is recognized. The Company estimates rebates based on customers' contracted terms and historical sales experience.

Disclosure of accounting policy for revenue recognition. If the entity has different policies for different types of revenue transactions, the policy for each material type of transaction is generally disclosed. If a sales transaction has multiple element arrangements (for example, delivery of multiple products, services or the rights to use assets) the disclosure may indicate the accounting policy for each unit of accounting as well as how units of accounting are determined and valued. The disclosure may encompass important judgment as to appropriateness of principles related to recognition of revenue. The disclosure also may indicate the entity's treatment of any unearned or deferred revenue that arises from the transaction.

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