SEGMENT INFORMATION (Schedule of Segment Reporting) (Details) $ in Millions		3 Months Ended			6 Months Ended
		Dec. 25, 2019 USD ($) Restaurant		Dec. 26, 2018 USD ($)	Dec. 25, 2019 USD ($) Restaurant		Dec. 26, 2018 USD ($)		Sep. 25, 2019 Restaurant	Sep. 05, 2019 USD ($)	Jun. 26, 2019 USD ($)
Segment Reporting Information [Line Items]
Segment Information, disclosure of major customers					We do not rely on any major customers as a source of sales,
Total revenues		$ 869.3		$ 790.7	$ 1,655.3		$ 1,544.5
Company restaurant expenses		739.6		667.4	1,419.2		1,314.6
Depreciation and amortization		39.3		36.1	77.4		73.1
General and administrative		34.6		35.4	72.6		69.2
Other (gains) and charges		12.3		2.2	11.4		(8.9)	[1]
Total operating costs and expenses		825.8		741.1	1,580.6		1,448.0
Operating income (loss)		43.5		49.6	74.7		96.5
Interest expenses		15.0		15.4	29.9		31.0
Other (income), net		(0.5)		(0.8)	(1.0)		(1.6)
Income (loss) before provision for income taxes		29.0		35.0	45.8		67.1
Segment assets		2,503.7	[2]		2,503.7	[2]					$ 1,258.3
Segment goodwill		$ 189.6			189.6						$ 165.5
Payments for property and equipment					$ 51.4		78.7
Number of restaurants | Restaurant		1,675			1,675
Sale leaseback (gain), net of transaction charges		$ 0.0		(4.4)	$ 0.0		(17.7)
Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Total revenues		743.1		662.3	1,438.7		1,324.1
Company restaurant expenses		640.3		567.1	1,236.6		1,130.2
Depreciation and amortization		32.1		29.5	62.8		60.0
General and administrative		8.5		9.1	17.6		17.9
Other (gains) and charges		10.6		1.4	9.0		(10.9)	[1]
Total operating costs and expenses		691.5		607.1	1,326.0		1,197.2
Operating income (loss)		51.6		55.2	112.7		126.9
Interest expenses		1.1		0.7	2.0		1.7
Other (income), net		(0.1)		0.0	(0.3)		0.0
Income (loss) before provision for income taxes		50.6		$ 54.5	111.0		125.2
Segment assets	[2],[3]	2,114.1			2,114.1
Segment goodwill		151.2			151.2
Payments for property and equipment					42.4		$ 58.8
Number of restaurant properties included in sale-leaseback				145			145
Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Total revenues		126.2		$ 128.4	216.6		$ 220.4
Company restaurant expenses		99.2		100.1	182.3		184.0
Depreciation and amortization		4.0		3.9	8.0		7.9
General and administrative		1.5		1.5	3.2		3.2
Other (gains) and charges		0.0		0.0	0.1		0.0
Total operating costs and expenses		104.7		105.5	193.6		195.1
Operating income (loss)		21.5		22.9	23.0		25.3
Interest expenses		0.0		0.1	0.0		0.2
Other (income), net		0.0		0.0	0.0		0.0
Income (loss) before provision for income taxes		21.5		22.8	23.0		25.1
Segment assets	[2]	255.9			255.9
Segment goodwill		38.4			38.4
Payments for property and equipment					4.2		6.4
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Total revenues		0.0		0.0	0.0		0.0
Company restaurant expenses		0.1		0.2	0.3		0.4
Depreciation and amortization		3.2		2.7	6.6		5.2
General and administrative		24.6		24.8	51.8		48.1
Other (gains) and charges		1.7		0.8	2.3		2.0
Total operating costs and expenses		29.6		28.5	61.0		55.7
Operating income (loss)		(29.6)		(28.5)	(61.0)		(55.7)
Interest expenses		13.9		14.6	27.9		29.1
Other (income), net		(0.4)		(0.8)	(0.7)		(1.6)
Income (loss) before provision for income taxes		(43.1)		(42.3)	(88.2)		(83.2)
Segment assets	[2]	133.7			133.7
Segment goodwill		0.0			0.0
Payments for property and equipment					4.8		13.5
Company sales [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		847.5		761.5	1,611.4		1,489.8
Company sales [Member] | Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		728.4	[3]	640.6	1,405.9	[3]	1,280.9
Company sales [Member] | Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		119.1		120.9	205.5		208.9
Company sales [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		0.0		0.0	0.0		0.0
Royalties [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		9.9		13.2	21.8		26.1
Royalties [Member] | Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		9.9		13.2	21.7		26.1
Royalties [Member] | Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		0.0		0.0	0.1		0.0
Royalties [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		0.0		0.0	0.0		0.0
Franchise fees and other revenues [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		11.9		16.0	22.1		28.6
Franchise fees and other revenues [Member] | Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		4.8		8.5	11.1		17.1
Franchise fees and other revenues [Member] | Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		7.1		7.5	11.0		11.5
Franchise fees and other revenues [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		0.0		0.0	0.0		0.0
Franchise and other revenues [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		21.8		29.2	43.9		54.7
Franchise and other revenues [Member] | Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		14.7		21.7	32.8		43.2
Franchise and other revenues [Member] | Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		7.1		7.5	11.1		11.5
Franchise and other revenues [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax		$ 0.0		$ 0.0	$ 0.0		$ 0.0
Chili's restaurant acquisition [Member]
Segment Reporting Information [Line Items]
Segment goodwill	[4]									$ 24.2
Number of restaurants | Restaurant									116

[1] During the twenty-six week period ended December 26, 2018, we completed sale leaseback transactions of 145 Company-owned Chili’s restaurant properties. Chili’s recognized a $17.7 million gain on the sale, including a certain portion of the deferred gain, net of related transaction costs incurred in Other (gains) and charges in the Consolidated Statements of Comprehensive Income (Unaudited). Refer to Note 3 - Leases for further details.

[2] Segment assets for fiscal 2020 are presented in accordance with the newly adopted ASC 842 that now include Operating lease assets, refer to Note 3 - Leases for further details.

[3] Chili’s segment information for fiscal 2020 includes the results of operations and preliminary fair value of assets related to the 116 restaurants since the September 5, 2019 acquisition date. Refer to Note 2 - Chili’s Restaurant Acquisition for further details.

[4] Goodwill is expected to be deductible for tax purposes. The portion of the purchase price attributable to goodwill represents the benefits expected as a result of the acquisition, including sales and unit growth opportunities, and the benefit of the assembled workforce of the acquired restaurants.