FINANCIAL STATEMENT COMPONENTS - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss)
Ending balance	$ 4,048,527
Beginning balance		$ 3,377,554
Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss)
Ending balance	(36,314)
Beginning balance		(32,563)
Unrealized Gains (Losses) on Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss)
Ending balance	(2,223)
Beginning balance		595
Unrealized Gains (Losses) on Derivatives
Accumulated Other Comprehensive Income (Loss)
Ending balance	(15,653)
Beginning balance		(20,092)
Unrealized Gains (Losses) on Defined Benefit Plans
Accumulated Other Comprehensive Income (Loss)
Ending balance	(22,289)
Beginning balance		(23,497)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Ending balance	$ (76,479)
Beginning balance		$ (75,557)

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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+ Details