Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Thousands							3 Months Ended		6 Months Ended
	Apr. 13, 2015	Jan. 05, 2015	Oct. 17, 2014	Jan. 03, 2014	Jan. 03, 2013	Jan. 03, 2012	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jul. 30, 2014
Other Intangible Assets [Line Items]
Up-front payment						$ 63,000
Additional contingent cash payment						$ 84,000
Contingent payment period						4 years
Amortization expense							$ 3,100	$ 3,300	$ 6,400	$ 6,500
Weighted average amortization period (in years)									27 years
Payments for Contingent Consideration Related to Business Acquisition									$ 2,423	$ 0
Customer Relationships [Member]
Other Intangible Assets [Line Items]
Weighted average amortization period (in years)									33 years
Promotional, Marketing and Distribution Rights [Member]
Other Intangible Assets [Line Items]
Weighted average amortization period (in years)									25 years
Patents and Other Intangible Assets [Member]
Other Intangible Assets [Line Items]
Weighted average amortization period (in years)									14 years
After One Year of Meeting Supply Target [Member]
Other Intangible Assets [Line Items]
Conditional payment, amount paid					$ 34,000
After Two Year of Meeting Supply Target [Member]
Other Intangible Assets [Line Items]
Conditional payment, amount paid				$ 16,700
After Year Three of Meeting Supply Target [Member]
Other Intangible Assets [Line Items]
Conditional payment, amount paid		$ 16,700
After Year Four of Meeting Supply Target [Member]
Other Intangible Assets [Line Items]
Additional contingent cash payment									$ 16,700
EndoDynamix, Inc. [Member]
Other Intangible Assets [Line Items]
Contractual obligations for acquisitions of a business							$ 7,800		$ 7,800		$ 13,900
Milestone based payments | EndoDynamix, Inc. [Member]
Other Intangible Assets [Line Items]
Contractual obligations for acquisitions of a business											10,300
Payments for Contingent Consideration Related to Business Acquisition	$ 2,400		$ 3,700
Royalty Agreements [Member] | EndoDynamix, Inc. [Member]
Other Intangible Assets [Line Items]
Contractual obligations for acquisitions of a business											$ 3,600