Debt

Components of long-term debt including the associated interest rates and related estimated fair values (in millions, except interest rates):



	Dec 27, 2015				Sep 27, 2015				Stated Interest Rate		Effective Interest Rate ⁽¹⁾
Issuance	Face Value		Estimated Fair Value		Face Value		Estimated Fair Value		Stated Interest Rate		Effective Interest Rate ⁽¹⁾
2016 notes	$	400.0	$	399	$	400.0	$	400	0.875	%	0.941	%
2018 notes	350.0		354		350.0		354		2.000	%	2.012	%
2022 notes	500.0		501		500.0		503		2.700	%	2.819	%
2023 notes	750.0		800		750.0		790		3.850	%	2.860	%
2045 notes	350.0		371		350.0		355		4.300	%	4.348	%
Total	2,350.0		2,425		2,350.0		2,402
Aggregate unamortized discount	2.3				2.5
Total	$	2,347.7			$	2,347.5


⁽¹⁾	Includes the effects of the amortization of any premium or discount and any gain or loss upon settlement of related treasury locks or forward-starting interest rate swaps utilized to hedge the interest rate risk prior to the debt issuance.

The indentures under which the above notes were issued require us to maintain compliance with certain covenants, including limits on future liens and sale and leaseback transactions on certain material properties. As of December 27, 2015, we were in compliance with all applicable covenants.

The following table summarizes our long-term debt maturities as of December 27, 2015 (in millions):



Fiscal Year	Total
2016	$	—
2017	400.0
2018	—
2019	350.0
2020	—
Thereafter	1,600.0
Total	$	2,350.0