Guarantor Information (Condensed Consolidating Balance Sheets) (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Aug. 15, 2015	Aug. 14, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Inventories		$ 295,462			$ 382,903
Net property, plant and equipment	[1]	637,533			654,040
LIABILITIES AND STOCKHOLDERS’ EQUITY
Long-term debt - third party		362,455			341,615
Other long-term obligations		95,485			107,566
Deferred income taxes		57,400			28,200
Total stockholders’ equity				$ 1,020,410
Predecessor [Member]
ASSETS
Cash and cash equivalents				25,033	17,550	$ 11,888	$ 17,317
Accounts receivable - affiliates					0
Accounts receivable - trade					162,919
Inventories					382,903
Prepaid expenses and other current assets					81,623
Total current assets					644,995
Investment in affiliates					0
Net property, plant and equipment					654,040
Deferred income taxes					16,819
Goodwill				384,132	420,129	496,810
Notes receivable - affiliate					0
Other assets					97,822
Total assets					1,833,805
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate					0
Accounts payable - trade					86,409
Short-term debt					188,104
Accrued income and other taxes					24,506
Rationalizations					9,563
Other accrued liabilities					43,319
Total current liabilities					351,901
Long-term debt - affiliate					0
Long-term debt - third party					341,615
Other long-term obligations					107,566
Deferred income taxes					28,197
Total stockholders’ equity					1,004,526	1,320,749	1,349,851
Total liabilities and stockholders’ equity					1,833,805
Predecessor [Member] | Parent Company [Member]
ASSETS
Cash and cash equivalents				0	0	0	0
Accounts receivable - affiliates					40,474
Accounts receivable - trade					0
Inventories					0
Prepaid expenses and other current assets					0
Total current assets					40,474
Investment in affiliates					1,414,278
Net property, plant and equipment					0
Deferred income taxes					0
Goodwill					0
Notes receivable - affiliate					35,722
Other assets					4,110
Total assets					1,494,584
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate					0
Accounts payable - trade					47
Short-term debt					187,973
Accrued income and other taxes					344
Rationalizations					0
Other accrued liabilities					2,444
Total current liabilities					190,808
Long-term debt - affiliate					0
Long-term debt - third party					300,000
Other long-term obligations					0
Deferred income taxes					0
Total stockholders’ equity					1,003,776
Total liabilities and stockholders’ equity					1,494,584
Predecessor [Member] | Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents				2,480	5,503	4,752	4,425
Accounts receivable - affiliates					35,618
Accounts receivable - trade					45,861
Inventories					148,080
Prepaid expenses and other current assets					17,336
Total current assets					252,398
Investment in affiliates					762,251
Net property, plant and equipment					431,602
Deferred income taxes					0
Goodwill					217,099
Notes receivable - affiliate					7,413
Other assets					45,617
Total assets					1,716,380
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate					80,659
Accounts payable - trade					35,435
Short-term debt					131
Accrued income and other taxes					3,380
Rationalizations					7,538
Other accrued liabilities					15,252
Total current liabilities					142,395
Long-term debt - affiliate					35,722
Long-term debt - third party					40,393
Other long-term obligations					77,724
Deferred income taxes					5,118
Total stockholders’ equity					1,415,028
Total liabilities and stockholders’ equity					1,716,380
Predecessor [Member] | Non-Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents				22,553	12,047	7,136	12,892
Accounts receivable - affiliates					40,185
Accounts receivable - trade					117,058
Inventories					234,823
Prepaid expenses and other current assets					64,287
Total current assets					468,400
Investment in affiliates					0
Net property, plant and equipment					222,438
Deferred income taxes					16,819
Goodwill					203,030
Notes receivable - affiliate					0
Other assets					48,095
Total assets					958,782
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate					35,618
Accounts payable - trade					50,927
Short-term debt					0
Accrued income and other taxes					20,782
Rationalizations					2,025
Other accrued liabilities					25,623
Total current liabilities					134,975
Long-term debt - affiliate					7,413
Long-term debt - third party					1,222
Other long-term obligations					29,842
Deferred income taxes					23,079
Total stockholders’ equity					762,251
Total liabilities and stockholders’ equity					958,782
Predecessor [Member] | Consolidating Entries and Eliminations [Member]
ASSETS
Cash and cash equivalents				0	0	$ 0	$ 0
Accounts receivable - affiliates					(116,277)
Accounts receivable - trade					0
Inventories					0
Prepaid expenses and other current assets					0
Total current assets					(116,277)
Investment in affiliates					(2,176,529)
Net property, plant and equipment					0
Deferred income taxes					0
Goodwill					0
Notes receivable - affiliate					(43,135)
Other assets					0
Total assets					(2,335,941)
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate					(116,277)
Accounts payable - trade					0
Short-term debt					0
Accrued income and other taxes					0
Rationalizations					0
Other accrued liabilities					0
Total current liabilities					(116,277)
Long-term debt - affiliate					(43,135)
Long-term debt - third party					0
Other long-term obligations					0
Deferred income taxes					0
Total stockholders’ equity					(2,176,529)
Total liabilities and stockholders’ equity					$ (2,335,941)
Successor [Member]
ASSETS
Cash and cash equivalents		6,927		25,033
Accounts receivable - affiliates		0
Accounts receivable - trade		102,815
Inventories		295,462
Prepaid expenses and other current assets		21,674
Total current assets		426,878
Investment in affiliates		0
Net property, plant and equipment		637,533
Deferred income taxes		15,327
Goodwill		172,059	$ 170,418
Notes receivable - affiliate		0
Other assets		170,218
Total assets		1,422,015
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate		0
Accounts payable - trade		49,478
Short-term debt		4,772
Accrued income and other taxes		9,039
Rationalizations		3,048
Other accrued liabilities		29,779
Total current liabilities		96,116
Long-term debt - affiliate		0
Long-term debt - third party		362,455
Other long-term obligations		95,485
Deferred income taxes		57,430
Total stockholders’ equity		810,529
Total liabilities and stockholders’ equity		1,422,015
Successor [Member] | Parent Company [Member]
ASSETS
Cash and cash equivalents		0		0
Accounts receivable - affiliates		51,592
Accounts receivable - trade		0
Inventories		0
Prepaid expenses and other current assets		0
Total current assets		51,592
Investment in affiliates		1,068,028
Net property, plant and equipment		0
Deferred income taxes		0
Goodwill		0
Notes receivable - affiliate		0
Other assets		0
Total assets		1,119,620
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate		159
Accounts payable - trade		0
Short-term debt		0
Accrued income and other taxes		0
Rationalizations		0
Other accrued liabilities		2,444
Total current liabilities		2,603
Long-term debt - affiliate		38,661
Long-term debt - third party		267,827
Other long-term obligations		0
Deferred income taxes		0
Total stockholders’ equity		810,529
Total liabilities and stockholders’ equity		1,119,620
Successor [Member] | Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents		646		2,480
Accounts receivable - affiliates		9,362
Accounts receivable - trade		20,749
Inventories		123,340
Prepaid expenses and other current assets		8,109
Total current assets		162,206
Investment in affiliates		668,113
Net property, plant and equipment		291,494
Deferred income taxes		0
Goodwill		72,399
Notes receivable - affiliate		46,074
Other assets		96,964
Total assets		1,337,250
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate		72,418
Accounts payable - trade		18,546
Short-term debt		4,636
Accrued income and other taxes		5,864
Rationalizations		995
Other accrued liabilities		11,511
Total current liabilities		113,970
Long-term debt - affiliate		0
Long-term debt - third party		93,758
Other long-term obligations		61,246
Deferred income taxes		248
Total stockholders’ equity		1,068,028
Total liabilities and stockholders’ equity		1,337,250
Successor [Member] | Non-Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents		6,281		22,553
Accounts receivable - affiliates		20,823
Accounts receivable - trade		82,066
Inventories		172,122
Prepaid expenses and other current assets		13,565
Total current assets		294,857
Investment in affiliates		0
Net property, plant and equipment		346,039
Deferred income taxes		15,327
Goodwill		99,660
Notes receivable - affiliate		0
Other assets		73,254
Total assets		829,137
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate		9,200
Accounts payable - trade		30,932
Short-term debt		136
Accrued income and other taxes		3,175
Rationalizations		2,053
Other accrued liabilities		15,824
Total current liabilities		61,320
Long-term debt - affiliate		7,413
Long-term debt - third party		870
Other long-term obligations		34,239
Deferred income taxes		57,182
Total stockholders’ equity		668,113
Total liabilities and stockholders’ equity		829,137
Successor [Member] | Consolidating Entries and Eliminations [Member]
ASSETS
Cash and cash equivalents		0		$ 0
Accounts receivable - affiliates		(81,777)
Accounts receivable - trade		0
Inventories		0
Prepaid expenses and other current assets		0
Total current assets		(81,777)
Investment in affiliates		(1,736,141)
Net property, plant and equipment		0
Deferred income taxes		0
Goodwill		0
Notes receivable - affiliate		(46,074)
Other assets		0
Total assets		(1,863,992)
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate		(81,777)
Accounts payable - trade		0
Short-term debt		0
Accrued income and other taxes		0
Rationalizations		0
Other accrued liabilities		0
Total current liabilities		(81,777)
Long-term debt - affiliate		(46,074)
Long-term debt - third party		0
Other long-term obligations		0
Deferred income taxes		0
Total stockholders’ equity		(1,736,141)
Total liabilities and stockholders’ equity		$ (1,863,992)

[1] Long-lived assets represent fixed assets, net of accumulated depreciation.