Financial Instruments and Risk Management (Tables)

3 Months Ended

Dec. 30, 2017

Fair Value Disclosures [Abstract]

Fair value of the Partnership's derivative instruments and their location in the condensed consolidated balance sheets

The following summarizes the fair value of the Partnership’s derivative instruments and their location in the condensed consolidated balance sheets as of December 30, 2017 and September 30, 2017, respectively:

	As of December 30, 2017			As of September 30, 2017
Asset Derivatives	Location	Fair Value		Location	Fair Value
Derivatives not designated as hedging instruments:
Commodity-related derivatives	Other current assets	$	10,738	Other current assets	$	11,164
	Other assets		—	Other assets		771
		$	10,738		$	11,935
Liability Derivatives	Location	Fair Value		Location	Fair Value
Derivatives not designated as hedging instruments:
Commodity-related derivatives	Other current liabilities	$	2,342	Other current liabilities	$	1,978
	Other liabilities		274	Other liabilities		432
		$	2,616		$	2,410

Reconciliation of the beginning and ending balances of assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs

The following summarizes the reconciliation of the beginning and ending balances of assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs:

	Fair Value Measurement Using Significant Unobservable Inputs (Level 3)
	Three Months Ended						Three Months Ended
	December 30, 2017						December 24, 2016
	Assets			Liabilities			Assets		Liabilities
Beginning balance of over-the-counter options	$	4,108		$	737		$	809	$	—
Beginning balance realized during the period		(313	)		—			—		—
Contracts purchased during the period		—			—			48		—
Change in the fair value of outstanding contracts		122			(305	)		332		—
Ending balance of over-the-counter options	$	3,917		$	432		$	1,189	$	—

Effect of the Partnership's derivative instruments on the condensed consolidated statements of operations

The effect of the Partnership’s derivative instruments on the condensed consolidated statements of operations and the condensed consolidated statements of comprehensive income, as applicable, for the three months ended December 30, 2017 and December 24, 2016 are as follows:

Three Months Ended December 30, 2017

Three Months Ended December 24, 2016

Derivatives in Cash Flow

Gains (Losses) Recognized  in OCI

Gains (Losses) Reclassified from Accumulated OCI into Income

Gains (Losses) Recognized  in OCI

Gains (Losses) Reclassified from Accumulated OCI into Income

Hedging Relationships

(Effective Portion)

Location

Amount

(Effective Portion)

Location

Amount

Interest rate swap

$

—

Interest expense

$

—

$

(5

)

Interest expense

$

(200

)

Derivatives Not Designated as Hedging Instruments

Unrealized Gains (Losses) Recognized in Income

Unrealized Gains (Losses) Recognized in Income

Location

Amount

Location

Amount

Commodity-related    derivatives

Cost of products sold

$

(1,531

)

Cost of products sold

$

459

Fair value of the Partnership's recognized derivative assets and liabilities on a gross basis and amounts offset on the condensed consolidated balance sheets

The following table presents the fair value of the Partnership’s recognized derivative assets and liabilities on a gross basis and amounts offset on the condensed consolidated balance sheets subject to enforceable master netting arrangements or similar agreements:

	As of December 30, 2017							As of September 30, 2017
						Net amounts							Net amounts
						presented in the							presented in the
	Gross amounts		Effects of netting			balance sheet		Gross amounts		Effects of netting			balance sheet
Asset Derivatives
Commodity-related derivatives	$	12,435	$	(1,697	)	$	10,738	$	16,378	$	(4,443	)	$	11,935
Liability Derivatives
Commodity-related derivatives	$	4,313	$	(1,697	)	$	2,616	$	6,853	$	(4,443	)	$	2,410

Fair Value of the Partnership's Senior Notes

Based upon quoted market prices (a Level 1 input), the fair value of the Senior Notes (also defined below in Note 8) of the Partnership are as follows:

	As of
	December 30,		September 30,
	2017		2017
5.5% senior notes due June 1, 2024	$	522,375	$	527,888
5.75% senior notes due March 1, 2025		246,875		248,750
5.875% senior notes due March 1, 2027		343,980		349,125
	$	1,113,230	$	1,125,763