XML 79 R69.htm IDEA: XBRL DOCUMENT v3.23.2
Restructuring and Other Charges - Schedule of Restructuring and Other Charges Impacts on Reportable Segment Income by Line of Business (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2023
Jul. 01, 2022
Jun. 30, 2023
Jul. 01, 2022
Restructuring Cost and Reserve [Line Items]        
Restructuring and other charges     $ 39,088  
Cost incurred in investment $ 17,200   17,200  
Final pre-tax settlement   $ 91,300   $ 91,300
Gain on termination of lease     900 7,100
Real estate impairment charges     38,100 74,600
Spinoff        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other charges 13,400   13,400  
CH2M HILL Companies, Ltd.        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other charges 30,912 4,577 78,196 182,100
Real estate impairment and other moving cost     40,000 77,000
Final pre-tax settlement   91,300   91,300
Transformation costs       24,500
Real estate impairment charges     39,100  
CH2M HILL Companies, Ltd. | Operating profit (mainly SG&A)        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other charges 31,184 4,707 79,129 192,782
CH2M HILL Companies, Ltd. | Other (Income) Expense, net        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other charges (272) (130) (933) (10,682)
CH2M HILL Companies, Ltd. | Corporate        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other charges 14,109 4,048 19,731 113,399
CH2M HILL Companies, Ltd. | Critical Mission Solutions | Operating Segments        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other charges (1,128) (255) 2,136 4,361
CH2M HILL Companies, Ltd. | People & Places Solutions | Operating Segments        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other charges 703 25 33,889 61,865
CH2M HILL Companies, Ltd. | Divergent Solutions | Operating Segments        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other charges 100 0 5,312 0
CH2M HILL Companies, Ltd. | PA Consulting | Operating Segments        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other charges $ 17,128 $ 759 $ 17,128 $ 2,475