Acquisition (Schedule of Recognized Identified Assets Acquired, Goodwill, and Liabilities Assumed) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 27, 2014	Mar. 29, 2014	Sep. 27, 2014
Goodwill	$ 264,879us-gaap_Goodwill	$ 16,367us-gaap_Goodwill
Wolfson [Member]
Cash and cash equivalents	25,342
Inventory	30,530		28,658
Other current assets	16,226		15,633
Property, plant and equipment	27,634		29,093
Intangible assets	175,987
Pension assets	1,625
Total identifiable assets acquired	277,344
Deferred tax liability - current	(11,958)		(11,483)
Deferred revenue	(551)
Other accrued liabilities	(41,417)
Other long-term liabilities	(2,449)
Total identifiable liabilities assumed	(56,375)
Net identifiable assets acquired	220,969
Goodwill	248,512		249,043
Net assets acquired	$ 469,481

Amount of assets acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of other assets expected to be realized or consumed before one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary difference due within one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

Amount of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment, acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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