EMPLOYEE BENEFIT PLANS - General Information (Detail) $ in Millions	7 Months Ended	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2018	Dec. 31, 2017 USD ($) plan	Dec. 31, 2016 USD ($)	May 31, 2015 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, number of plans | plan			2
Defined benefit plan, expected future employer contributions, next fiscal year			$ 2.4
Discount rate			2.50%	2.70%
Accumulated benefit obligation			$ 95.6	$ 88.1
Target Asset Allocations			100.00%	100.00%
Expected long-term return on plan assets			4.50%	4.90%
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocations			35.00%	35.00%
Equity securities and diversified growth funds
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocations			65.00%	65.00%
Forecasted
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets		4.70%
Forecasted | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets		5.80%
Forecasted | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets		1.80%
Minimum | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocations			30.00%
Minimum | Equity securities and diversified growth funds
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocations			60.00%
Maximum | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocations			40.00%
Maximum | Equity securities and diversified growth funds
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocations			70.00%
LIBOR | Diversified Growth Fund
Defined Benefit Plan Disclosure [Line Items]
Target return on asset category			3.00%
Return on cash | Global Absolute Return Fund
Defined Benefit Plan Disclosure [Line Items]
Target return on asset category			5.00%
United Kingdom
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, number of plans | plan			1
Norway
Defined Benefit Plan Disclosure [Line Items]
Concentration risk			1.00%
Team, Inc. Salary Deferral Plan
Defined Benefit Plan Disclosure [Line Items]
Employer contributions to the defined contribution plan	$ 3.0		$ 10.4	$ 7.1	$ 4.8