SEGMENT INFORMATION (Schedule of Segment Reporting) (Details) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 27, 2023 USD ($) Country territories	Dec. 28, 2022 USD ($)	Dec. 27, 2023 USD ($) Country territories	Dec. 28, 2022 USD ($)	Jun. 28, 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	$ 1,074.1	$ 1,019.0	$ 2,086.6	$ 1,974.5
Food and beverage costs	273.1	289.4	531.9	578.9
Restaurant labor	356.1	334.6	704.2	665.2
Restaurant expenses	294.7	268.4	585.5	537.2
Depreciation and amortization	41.3	41.8	83.2	83.7
General and administrative	43.2	35.6	85.6	75.1
Other (gains) and charges	3.3	8.5	9.6	13.5
Total operating costs and expenses	1,011.7	978.3	2,000.0	1,953.6
Operating income (loss)	62.4	40.7	86.6	20.9
Interest expenses	16.7	13.9	33.7	26.2
Other income, net	(0.1)	(0.3)	(0.1)	(0.7)
Income (loss) before income taxes	45.8	27.1	53.0	(4.6)
Segment assets	$ 2,510.7		2,510.7		$ 2,487.0
Payments for property and equipment			$ 89.5	95.3
Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Number of foreign countries in which entity operates | Country	29		29
Number of U.S. territories in which entity operates | territories	2		2
Total revenues	$ 927.2	878.7	$ 1,835.3	1,728.6
Food and beverage costs	239.2	253.7	472.3	514.6
Restaurant labor	313.0	292.3	624.0	586.7
Restaurant expenses	258.3	234.1	516.8	471.0
Depreciation and amortization	35.5	36.0	71.7	72.0
General and administrative	10.2	8.5	20.2	18.0
Other (gains) and charges	0.9	5.7	4.6	8.7
Total operating costs and expenses	857.1	830.3	1,709.6	1,671.0
Operating income (loss)	70.1	48.4	125.7	57.6
Interest expenses	0.9	0.9	1.7	1.9
Other income, net	(0.1)	0.0	(0.1)	0.0
Income (loss) before income taxes	69.3	47.5	124.1	55.7
Segment assets	2,052.5		2,052.5
Payments for property and equipment			74.6	85.1
Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Total revenues	146.9	140.3	251.3	245.9
Food and beverage costs	33.9	35.7	59.6	64.3
Restaurant labor	43.1	42.3	80.2	78.5
Restaurant expenses	36.2	34.2	68.4	65.9
Depreciation and amortization	3.2	3.3	6.4	6.5
General and administrative	2.1	1.5	4.5	4.0
Other (gains) and charges	0.2	0.3	0.4	0.8
Total operating costs and expenses	118.7	117.3	219.5	220.0
Operating income (loss)	28.2	23.0	31.8	25.9
Interest expenses	0.0	0.1	0.1	0.2
Other income, net	0.0	0.0	0.0	0.0
Income (loss) before income taxes	28.2	22.9	31.7	25.7
Segment assets	246.6		246.6
Payments for property and equipment			9.4	6.1
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	0.2	0.1	0.3	0.3
Depreciation and amortization	2.6	2.5	5.1	5.2
General and administrative	30.9	25.6	60.9	53.1
Other (gains) and charges	2.2	2.5	4.6	4.0
Total operating costs and expenses	35.9	30.7	70.9	62.6
Operating income (loss)	(35.9)	(30.7)	(70.9)	(62.6)
Interest expenses	15.8	12.9	31.9	24.1
Other income, net	0.0	(0.3)	0.0	(0.7)
Income (loss) before income taxes	(51.7)	(43.3)	(102.8)	(86.0)
Segment assets	211.6		211.6
Payments for property and equipment			5.5	4.1
Company sales [Member]
Segment Reporting Information [Line Items]
Revenues	1,063.7	1,009.4	2,065.7	1,955.5
Company sales [Member] | Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenues	916.9	869.3	1,814.7	1,709.9
Company sales [Member] | Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenues	146.8	140.1	251.0	245.6
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	10.4	9.6	20.9	19.0
Franchise revenues [Member] | Chili's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenues	10.3	9.4	20.6	18.7
Franchise revenues [Member] | Maggiano's Restaurants [Member]
Segment Reporting Information [Line Items]
Revenues	0.1	0.2	0.3	0.3
Franchise revenues [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenues	$ 0.0	$ 0.0	$ 0.0	$ 0.0