RELATED PARTY TRANSACTIONS - Additional Information (Detail) - dpiX Holding - Affiliated Entity $ in Millions	3 Months Ended
Dec. 30, 2016 USD ($) member	Jan. 01, 2016 USD ($)	Sep. 30, 2016 USD ($)
Related Party Transaction [Line Items]
Ownership interest in dpiX Holding LLC (as a percent)	40.00%
Number of members \| member	2
dpiX Holding LLC's ownership interest in dpiX LLC (as a percent)	100.00%
Income (Loss) on equity investment in affiliate	$ 0.3	$ (0.7)
Carrying value of the equity investment in dpiX Holding	47.6		$ 47.2
Purchases of glass transistor arrays from dpiX	$ 8.4	$ 5.0
Percentage of manufacturing capacity	50.00%
Percentage of fixed costs	50.00%
Fixed cost commitments	$ 16.7

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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The amount of fixed manufacturing costs required to be paid during the calendar year.

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The percentage of fixed costs as defined in the agreement and determined at the beginning of each calendar year that the entity is required to pay.

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The percentage of manufacturing capacity that the entity has the guaranteed right to purchase up to.

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The percentage of dpiX Holding LLC's ownership interest in dpiX LLC.

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Related Party Transaction, Number Of Consortium Members

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