Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 92,647	$ 124,120	$ 79,730
Other comprehensive income (loss):
Foreign currency translation	(458)	(267)	343
Total comprehensive income	92,189	123,853	80,073
Comprehensive income (loss) attributable to noncontrolling interests	(139)	526	902
Comprehensive income attributable to Central Garden & Pet Company	$ 92,328	$ 123,327	$ 79,171