Revenue (Tables)

12 Months Ended

Sep. 26, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table provides revenue from contracts with customers by business and geographic region on a disaggregated basis:

		Years Ended
		September 26, 2020						September 28, 2019						September 29, 2018
Business (in millions)		United States		Intl.		Total		United States		Intl.		Total		United States		Intl.		Total
Diagnostics:
	Cytology & Perinatal	$	266.3	$	143.8	$	410.1	$	312.9	$	159.1	$	472.0	$	322.9	$	157.4	$	480.3
	Molecular Diagnostics	1,272.5		375.9		1,648.4		549.9		125.1		675.0		503.4		108.4		611.8
	Blood Screening	43.6		—		43.6		58.5		—		58.5		55.3		—		55.3
Total		1,582.4		519.7		2,102.1		921.3		284.2		1,205.5		881.6		265.8		1,147.4
Breast Health:
	Breast Imaging	722.0		231.6		953.6		853.1		241.5		1,094.6		782.0		234.5		1,016.5
	Interventional Breast Solutions	166.6		31.7		198.3		184.8		34.8		219.6		169.4		32.3		201.7
Total		888.6		263.3		1,151.9		1,037.9		276.3		1,314.2		951.4		266.8		1,218.2
GYN Surgical		310.1		66.0		376.1		362.8		74.4		437.2		352.8		69.2		422.0
Skeletal Health		51.2		29.8		81.0		58.6		36.2		94.8		59.4		31.8		91.2
Medical Aesthetics		30.9		34.4		65.3		155.4		160.2		315.6		172.4		166.7		339.1
Total		$	2,863.2	$	913.2	$	3,776.4	$	2,536.0	$	831.3	$	3,367.3	$	2,417.6	$	800.3	$	3,217.9

	Years Ended
Geographic Regions (in millions)	September 26, 2020		September 28, 2019		September 29, 2018
United States	$	2,863.2	$	2,536.0	$	2,417.6
Europe	569.8		396.0		377.5
Asia-Pacific	226.8		286.0		275.6
Rest of World	116.6		149.3		147.2
	$	3,776.4	$	3,367.3	$	3,217.9

The following table provides revenue recognized by source:

	Years Ended
Revenue by type (in millions)	September 26, 2020		September 28, 2019		September 29, 2018
Disposables	$	2,561.1	$	1,786.4	$	1,666.7
Capital equipment, components and software	665.9		984.9		977.2
Service	516.6		568.3		551.8
Other	32.8		27.7		22.2
	$	3,776.4	$	3,367.3	$	3,217.9