Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 30, 2016	Jan. 01, 2016
Components of Deferred Tax Assets and Liabilities [Abstract]
Net operating loss carryforwards	$ 154,706	$ 153,949
Tax credit carryforwards	24,646	22,196
Inventories	7,524	6,543
Accrued expenses	5,724	13,138
Stock-based compensation	10,614	9,512
Other	936	38
Gross deferred tax assets	204,150	205,376
Less valuation allowance	(35,391)	(39,171)
Net deferred tax assets	168,759	166,205
Property, plant and equipment	(33,069)	(32,772)
Intangible assets	(337,722)	(347,896)
Convertible subordinated notes	(2,577)	(3,754)
Gross deferred tax liabilities	(373,368)	(384,422)
Net deferred tax liability	$ (204,609)	$ (218,217)