Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for Distributors Acquisition (Details) (Distributors [Member], USD $) In Thousands, unless otherwise specified	Sep. 28, 2013
Business Acquisition [Line Items]
Current assets	$ 20,172
Property, plant and equipment	1,318
Goodwill	2,927
Business Acquisition, Purchase Price Allocation, Current Liabilities	(804)
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	23,613
Business Acquisition, Preacquisition Contingency, Amount of Settlement	8,697
Business Acquisition Cost Of Acquired Entity Consideration Paid	14,916
as initially reported
Business Acquisition [Line Items]
Current assets	21,390
Property, plant and equipment	1,318
Goodwill	1,709
Business Acquisition, Purchase Price Allocation, Current Liabilities	(804)
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	23,613
Business Acquisition, Preacquisition Contingency, Amount of Settlement	8,697
Business Acquisition Cost Of Acquired Entity Consideration Paid	14,916
Scenario, Adjustment [Member]
Business Acquisition [Line Items]
Current assets	(1,218)
Property, plant and equipment	0
Goodwill	1,218
Business Acquisition, Purchase Price Allocation, Current Liabilities	0
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	0
Business Acquisition, Preacquisition Contingency, Amount of Settlement	0
Business Acquisition Cost Of Acquired Entity Consideration Paid	$ 0