A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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- Definition

Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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- Definition

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Accumulated Other Comprehensive Income (Loss) (Changes in AOCI by Component) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCIL beginning of period			$ 1,224,986
Other comprehensive income (loss)	$ 3,827	$ (34,455)	5,627	$ 5,799
AOCIL end of period	1,355,657	1,262,793	1,355,657	1,262,793
Accumulated foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCIL beginning of period			(99,415)
Other comprehensive income (loss) before reclassifications			(5,794)
Amounts reclassified from AOCIL			(3,483)
Other comprehensive income (loss)			(9,277)
AOCIL end of period	(108,692)		(108,692)
Accumulated retirement liability
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCIL beginning of period			(272,317)
Other comprehensive income (loss) before reclassifications			553
Amounts reclassified from AOCIL			13,207
Other comprehensive income (loss)			13,760
AOCIL end of period	(258,557)		(258,557)
Accumulated gain (loss) on derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCIL beginning of period			(449)
Other comprehensive income (loss) before reclassifications			1,060
Amounts reclassified from AOCIL			84
Other comprehensive income (loss)			1,144
AOCIL end of period	695		695
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCIL beginning of period			(372,181)
Other comprehensive income (loss) before reclassifications			(4,181)
Amounts reclassified from AOCIL			9,808
Other comprehensive income (loss)	3,827	$ (34,429)	5,627	$ 5,825
AOCIL end of period	$ (366,554)		$ (366,554)