ACQUISITION (Details) (USD $)	6 Months Ended		0 Months Ended	6 Months Ended	0 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Nov. 26, 2013 Symmetricom	Mar. 30, 2014 Symmetricom	Nov. 26, 2013 Symmetricom Completed technology	Nov. 26, 2013 Symmetricom Customer relationships	Nov. 26, 2013 Symmetricom Trade name
Business Acquisition [Line Items]
Consideration transferred			$ 312,739,000
Costs related to acquisition				2,200,000
Preliminary allocation of estimated contingent consideration:
Cash and cash equivalents			26,337,000
Accounts receivable			31,322,000
Inventories			47,536,000
Other current assets			57,335,000
Property and equipment			19,322,000
Other assets			4,826,000
Identifiable intangible assets			108,800,000
Goodwill			60,651,000
Current liabilities			(37,042,000)
Business Acquisition, Purchase Price Allocation, Deferred Taxes Asset (Liability), Net, Noncurrent			(2,729,000)
Other non-current liabilities			(3,619,000)
Total estimated consideration			312,739,000
Gross contractual amount of acquired accounts receivable			33,400,000
Preliminary estimate of contractual cash flows not expected to be collected			2,100,000
Preliminary valuation of identifiable assets and estimated useful lives:
Asset amount			108,800,000		74,100,000	30,400,000	4,300,000
Weighted average useful life					9 years	9 years	1 year
Supplemental pro forma data:
Pro forma net sales	568,759,000	585,431,000
Pro forma net income	$ 3,874,000	$ (7,299,000)
Pro forma earnings per share, basic (USD per share)	$ 0.04	$ (0.08)
Pro forma earnings per share, diluted (USD per share)	$ 0.04	$ (0.08)