Earnings (Loss) per Share (Tables)

12 Months Ended

Dec. 29, 2017

Earnings (Loss) per Share [Abstract]

Schedule of Earnings (Loss) per Share

	Fiscal Year Ended						Three Months Ended
	December 29, 2017		September 30, 2016		September 25, 2015		December 30, 2016
Earnings (loss) per share numerator:
Income (loss) from continuing operations attributable to common shareholders before allocation of earnings to participating securities	$	1,771.2	$	489.0	$	236.6	$	(176.8	)
Less: earnings allocated to participating securities	—		—		2.0		—
Income (loss) from continuing operations attributable to common shareholders, after earnings allocated to participating securities	1,771.2		489.0		234.6		(176.8		)
Income from discontinued operations	363.2		154.7		88.1		23.6
Less: earnings from discontinued operations allocated to participating securities	—		—		0.7		—
Income from discontinued operations attributable to common shareholders, after allocation of earnings to participating securities	363.2		154.7		87.4		23.6
Net income (loss) attributable to common shareholders, after allocation of earnings to participating securities	$	2,134.4	$	643.7	$	322.0	$	(153.2	)
Earnings (loss) per share denominator:
Weighted-average shares outstanding - basic	97.7		110.6		115.8		105.7
Impact of dilutive securities	0.2		0.9		1.4		—
Weighted-average shares outstanding - diluted	97.9		111.5		117.2		105.7
Basic earnings (loss) per share attributable to common shareholders:
Income (loss) from continuing operations	$	18.13	$	4.42	$	2.03	$	(1.67	)
Income from discontinued operations	3.72		1.40		0.75		0.22
Net income (loss) attributable to common shareholders	$	21.85	$	5.82	$	2.78	$	(1.45	)
Diluted earnings (loss) per share attributable to common shareholders:
Income (loss) from continuing operations	$	18.09	$	4.39	$	2.00	$	(1.67	)
Income from discontinued operations	3.71		1.39		0.75		0.22
Net income (loss) attributable to common shareholders	$	21.80	$	5.77	$	2.75	$	(1.45	)