Annual report pursuant to Section 13 and 15(d)

Business Segment Data - Financial Information Relating to Company's Business Segments (Detail)

v3.10.0.1
Business Segment Data - Financial Information Relating to Company's Business Segments (Detail)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2017
USD ($)
Jun. 24, 2017
USD ($)
Mar. 25, 2017
USD ($)
Dec. 24, 2016
USD ($)
Sep. 24, 2016
USD ($)
JointVenture
Jun. 25, 2016
USD ($)
Mar. 26, 2016
USD ($)
Dec. 26, 2015
USD ($)
Sep. 29, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 24, 2016
USD ($)
JointVenture
Net sales:                      
Net sales $ 502,314 $ 657,943 $ 613,094 $ 442,011 $ 490,464 $ 574,592 $ 569,924 $ 419,498 $ 2,215,362 $ 2,054,478 $ 1,829,017
Income (loss) from operations:                      
Operating income (loss)                 167,336 156,112 129,358
Interest expense                 (39,196) (28,209) (42,847)
Interest income                 3,145 147 140
Other expense, net                 (3,860) (1,621) (17,013)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest                 127,425 126,429 69,638
Income tax expense                 3,305 46,699 24,053
Net income including noncontrolling interest                 124,120 79,730 45,585
Net income attributable to noncontrolling interest                 526 902 1,071
Net income attributable to Central Garden & Pet Company 10,568 $ 41,545 $ 45,234 $ 26,247 4,259 $ 32,248 $ 34,684 $ 7,637 123,594 78,828 44,514
Assets:                      
Total assets 1,306,906       $ 1,180,683       1,907,209 1,306,906 1,180,683
Depreciation and amortization:                      
Depreciation and amortization                 47,199 42,719 40,001
Expenditures for long-lived assets:                      
Expenditures for long-lived assets:                 37,845 44,659 27,622
Indefinite-lived intangible assets, impairment charge                 0 1,800 1,800
Non-cash impairment charge                 0 0 $ 19,367
Number of joint ventures | JointVenture         2           2
Purishield LLC and Ceregenin LLC                      
Expenditures for long-lived assets:                      
Non-cash impairment charge                     $ 16,600
Operating Segments | Pet segment                      
Net sales:                      
Net sales                 1,340,899 1,246,354 1,081,853
Income (loss) from operations:                      
Operating income (loss)                 140,353 131,622 119,930
Assets:                      
Total assets 612,337       $ 508,879       683,938 612,337 508,879
Depreciation and amortization:                      
Depreciation and amortization                 29,889 26,044 22,556
Expenditures for long-lived assets:                      
Expenditures for long-lived assets:                 26,979 38,970 18,939
Indefinite-lived intangible assets, impairment charge                     1,800
Operating Segments | Garden segment                      
Net sales:                      
Net sales                 874,463 808,124 747,164
Income (loss) from operations:                      
Operating income (loss)                 95,551 87,298 70,317
Assets:                      
Total assets 311,026       304,901       407,483 311,026 304,901
Depreciation and amortization:                      
Depreciation and amortization                 8,744 6,267 6,098
Expenditures for long-lived assets:                      
Expenditures for long-lived assets:                 8,016 4,948 4,750
Corporate                      
Income (loss) from operations:                      
Operating income (loss)                 (68,568) (62,808) (60,889)
Assets:                      
Total assets $ 383,543       $ 366,903       815,788 383,543 366,903
Depreciation and amortization:                      
Depreciation and amortization                 8,566 10,408 11,347
Expenditures for long-lived assets:                      
Expenditures for long-lived assets:                 $ 2,850 $ 741 $ 3,933