STOCK-BASED COMPENSATION AND INCENTIVE PLANS (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Common Stock Shares Reserved for Issuance and Shares Available for Grant

The number of common stock shares reserved for issuance under the plans and the number of shares available for future grants are as follows:

	Successor				Predecessor
			Period from		Period from
	Twelve Months		August 1, 2017		April 1, 2017		Twelve Months
	Ended		through		through		Ended
	December 31, 2018		December 31, 2017		July 31, 2017		March 31, 2017
Shares of common stock reserved for issuance under the plans		3,973,228		3,048,877		—		1,900,769
Shares of common stock available for future grants		2,325,102		1,891,231		—		505,221

Effect on Basic and Diluted Earnings Per Share, and Stock Option Compensation Expense

Stock option compensation expense along with the effect on basic and diluted earnings per share are as follows:

	Successor				Predecessor
			Period from		Period from
	Twelve Months		August 1, 2017		April 1, 2017		Twelve Months
	Ended		through		through		Ended
(In thousands, except per share data)	December 31, 2018		December 31, 2017		July 31, 2017		March 31, 2017
Stock option compensation expense	$	—		—		1,644		745
Basic loss per share increased by		—		—		0.02		0.02
Diluted loss per share increased by		—		—		0.02		0.02

Summary of Deferred Stock Unit Activity

The following table sets forth a summary of our deferred stock unit activity:

	Weighted-average Grant-Date Fair Value		Number Of Units
Balance at April1, 2016 (Predecessor)	$	23.58		363,630
Retirement distribution in the twelve month period ended March 31, 2017		6.83		(12,792	)
Balance at March 31, 2017 (Predecessor)		24.19		350,838
Retirement distribution for the four month period ended July 31, 2017		24.19		(350,838	)
Balance at July 31, 2017 (Predecessor)		—		—

Restricted Stock Units (RSUs)

Summary Of Restricted Stock Unit Activity

The following table sets forth a summary of our restricted stock unit activity:

	Weighted-average Grant-Date Fair Value		Time Based Units			Weight-average Grant Date Fair Value		Performance Based Units
Non-vested balance at April1, 2016 (Predecessor)	$	49.17		89,639			61.75		156,851
Vested		49.39		(76,006	)		—		—
Cancelled/forfeited		49.62		(13,450	)		61.75		(156,851	)
Non-vested balance at March 31, 2017 (Predecessor)		54.48		183			—		—
Vested		54.48		(183	)		—		—
Non-vested balance at July 31, 2017 (Predecessor)		—		—			—		—
Granted		24.40		1,203,379			—		—
Cancelled/forfeited		24.15		(45,733	)		—		—
Non-vested balance at December 31, 2017 (Successor)		24.41		1,157,646			—		—
Granted		24.58		455,063			26.04		63,365
Vested		24.84		(503,677	)		—		—
Cancelled/forfeited		27.15		(27,948	)		—		—
Non-vested balance at December 31, 2018 (Successor)	$	24.21		1,081,084			26.04		63,365

Schedule of Restricted Stock Compensation Expense and Grant Date Fair Value

Restricted stock unit compensation expense and grant date fair value are as follows:

	Successor				Predecessor
			Period from		Period from
	Twelve Months		August 1, 2017		April 1, 2017		Twelve Months
	Ended		through		through		Ended
(In thousands)	December 31, 2018		December 31, 2017		July 31, 2017		March 31, 2017
Grant date fair value of restricted stock units vested	$	12,513		—		10		3,754
Restricted stock unit compensation expense		13,504		3,731		2		2,425

Phantom Stock Plan

Schedule of Restricted Stock Compensation Expense and Grant Date Fair Value

Phantom stock compensation expense and grant date fair value of phantom stock vested are as follows:

		Successor				Predecessor
				Period from		Period from
		Twelve Months		August 1, 2017		April 1, 2017		Twelve Months
		Ended		through		through		Ended
(In thousands)		December 31, 2018		December 31, 2017		July 31, 2017		March 31, 2017
Grant date fair value of phantom stock vested	$		2,957		—		—		7,118
Phantom stock compensation expense			214		94		68		467

Summary of Phantom Stock Activity

The following table sets forth a summary of our phantom stock activity:

	Weighted-average Grant-Date Fair Value		Time Based Shares			Weighted-average Grant-Date Fair Value		Series A Warrants			Weighted-average Grant-Date Fair Value		Series B Warrants
Non-vested balance at April 1, 2016 (Predecessor)	$	10.83		1,599,829
Vested		12.29		(585,426	)
Cancelled/forfeited		13.52		(68,253	)
Non-vested balance at March 31, 2017 (Predecessor)	$	9.74		946,150
Cancelled (A)		9.70		(484,446	)
Forfeited		10.08		(16,866	)
Non-vested balance at July 31, 2017 (Predecessor) (B)	$	9.77		444,838
Issuance of Successor phantom stock at August 1, 2017(B)		308.19		14,160			1.00		22,963			0.98		24,824
Cancelled/forfeited		307.31		(634	)		1.00		(1,029	)		0.98		(1,112	)
Non-vested balance at December 31, 2017 (Successor)	$	308.24		13,526			1.00		21,934			0.98		23,712
Vested		360.14		(8,223	)		1.00		(13,009	)		0.98		(14,064	)
Cancelled (A)		240.39		(786	)		1.00		(1,275	)		0.98		(1,379	)
Non-vested balance at December 31, 2018 (Successor)	$	226.50		4,517			1.00		7,650			2.94		8,269

(A) Prior to emergence from Chapter 11 bankruptcy, all officer-held phantom stock units were cancelled.

(B) Upon emergence from Chapter 11 bankruptcy, all outstanding phantom stock units held by non-officer employees were converted by the same conversion ratio applied to the common shares upon emergence. Every 31.4143 phantom stock units converted into one phantom stock unit post emergence which is valued to the new common stock. In addition, each post emergence phantom stock unit received 1.6216 phantom series A warrants and 1.7531 phantom series B warrants. Both warrant series have time-based vesting and follow the vesting schedule of the underlying phantom stock unit.