SEGMENT INFORMATION (Schedule of Segment Reporting) (Details) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 25, 2024 USD ($) territories Country	Dec. 27, 2023 USD ($)	Dec. 25, 2024 USD ($) territories Country	Dec. 27, 2023 USD ($)
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	$ 1,358.2	$ 1,074.1	$ 2,497.2	$ 2,086.6
Food and beverage costs	343.9	273.1	628.2	531.9
Restaurant labor	421.0	356.1	798.4	704.2
Restaurant expenses	324.4	294.7	638.3	585.5
Depreciation and amortization	47.7	41.3	94.0	83.2
General and administrative	53.1	43.2	104.9	85.6
Other (gains) and charges	12.1	3.3	21.0	9.6
Total operating costs and expenses	1,202.2	1,011.7	2,284.8	2,000.0
Operating income (loss)	156.0	62.4	212.4	86.6
Interest expenses	14.7	16.7	29.0	33.7
Other income, net	(0.4)	(0.1)	(0.6)	(0.1)
Income before income taxes	$ 141.7	45.8	$ 184.0	53.0
Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Number of foreign countries in which entity operates | Country	27		27
Number of U.S. territories in which entity operates | territories	2		2
Total revenues	$ 1,208.8	927.2	$ 2,239.2	1,835.3
Food and beverage costs	310.1	239.2	569.2	472.3
Restaurant labor	378.4	313.0	720.0	624.0
Restaurant expenses	285.0	258.3	565.6	516.8
Depreciation and amortization	41.8	35.5	82.3	71.7
General and administrative	12.2	10.2	24.0	20.2
Other (gains) and charges	6.2	0.9	9.1	4.6
Total operating costs and expenses	1,033.7	857.1	1,970.2	1,709.6
Operating income (loss)	175.1	70.1	269.0	125.7
Interest expenses	1.6	0.9	2.9	1.7
Other income, net	0.0	(0.1)	(0.1)	(0.1)
Income before income taxes	173.5	69.3	266.2	124.1
Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Total revenues	149.4	146.9	258.0	251.3
Food and beverage costs	33.8	33.9	59.0	59.6
Restaurant labor	42.6	43.1	78.4	80.2
Restaurant expenses	39.0	36.2	72.0	68.4
Depreciation and amortization	3.4	3.2	6.8	6.4
General and administrative	2.4	2.1	5.4	4.5
Other (gains) and charges	0.0	0.2	0.4	0.4
Total operating costs and expenses	121.2	118.7	222.0	219.5
Operating income (loss)	28.2	28.2	36.0	31.8
Interest expenses	0.0	0.0	0.1	0.1
Other income, net	0.0	0.0	0.0	0.0
Income before income taxes	28.2	28.2	35.9	31.7
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Food and beverage costs	0.0	0.0	0.0	0.0
Restaurant labor	0.0	0.0	0.0	0.0
Restaurant expenses	0.4	0.2	0.7	0.3
Depreciation and amortization	2.5	2.6	4.9	5.1
General and administrative	38.5	30.9	75.5	60.9
Other (gains) and charges	5.9	2.2	11.5	4.6
Total operating costs and expenses	47.3	35.9	92.6	70.9
Operating income (loss)	(47.3)	(35.9)	(92.6)	(70.9)
Interest expenses	13.1	15.8	26.0	31.9
Other income, net	(0.4)	0.0	(0.5)	0.0
Income before income taxes	(60.0)	(51.7)	(118.1)	(102.8)
Company sales [Member]
Segment Reporting Information [Line Items]
Revenues	1,346.1	1,063.7	2,473.4	2,065.7
Company sales [Member] | Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenues	1,196.9	916.9	2,215.8	1,814.7
Company sales [Member] | Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenues	149.2	146.8	257.6	251.0
Company sales [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenues	0.0	0.0	0.0	0.0
Franchise revenues [Member]
Segment Reporting Information [Line Items]
Revenues	12.1	10.4	23.8	20.9
Franchise revenues [Member] | Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenues	11.9	10.3	23.4	20.6
Franchise revenues [Member] | Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenues	0.2	0.1	0.4	0.3
Franchise revenues [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenues	$ 0.0	$ 0.0	$ 0.0	$ 0.0