Supplemental Consolidating Financial Information Condensed Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Cash and equivalents	$ 145,295	$ 48,160	$ 54,513	$ 54,017
Trade receivables, less allowances	246,324	217,420	271,895
Other receivables, net	60,535	66,810	60,575
Inventories	205,632	197,307	211,311
Prepaid expenses	39,765	38,818	39,139
Other current assets	11,820	14,549	7,396
Total current assets	709,371	583,064	644,829
Property, plant and equipment, net	377,570	397,029	399,862
Investments and other assets, net	97,057	110,220	109,747
Trademarks	426,085	426,085	426,085
Goodwill	18,095	18,095	18,095
Other intangible assets, net	72,861	77,545	82,229
Investments In, And Accounts With, Subsidiaries	0	0	0
Total assets	1,701,039	1,612,038	1,680,847
Current portion of long-term debt and capital lease obligations	3,263	4,703	4,610
Accounts payable	271,887	223,286	251,579
Accrued liabilities	155,574	150,955	169,261
Total current liabilities	430,724	378,944	425,450
Long-term debt and capital lease obligations, net of current portion	277,957	637,518	632,492
Accrued pension and other employee benefits	77,125	89,381	80,274
Deferred tax liabilities	100,198	104,365	106,784
Other liabilities	72,242	78,496	59,593
Long-term related parties debt	238,479	0	0
Due to affiliates	0		0
Due from Related Parties, Current	0	0	0
Total liabilities	1,196,725	$ 1,288,704	1,304,593
Commitments and contingencies
Total shareholders' equity	504,314	$ 323,334	376,254
Total liabilities and shareholders' equity	1,701,039	1,612,038	1,680,847
Consolidation, Eliminations [Member]
Cash and equivalents	0	0	0	0
Trade receivables, less allowances	0	0	0
Other receivables, net	0	(210)	(837)
Inventories	0	0	0
Prepaid expenses	0	0	0
Other current assets	(6,282)	(7,530)	(9,014)
Total current assets	(6,282)	(7,740)	(4,188,146)
Property, plant and equipment, net	0	0	0
Investments and other assets, net	0	(6,543)	(6,397)
Trademarks	0	0	0
Goodwill	0	0	0
Other intangible assets, net	0	0	0
Investments In, And Accounts With, Subsidiaries	(2,789,825)	(2,598,408)	(2,570,182)
Total assets	(7,515,448)	(7,238,437)	(6,764,725)
Current portion of long-term debt and capital lease obligations	0	0	0
Accounts payable	0	0	0
Accrued liabilities	0	(7,740)	(9,851)
Total current liabilities	0	(7,740)	(4,188,146)
Long-term debt and capital lease obligations, net of current portion	0	0	0
Accrued pension and other employee benefits	0	0	0
Deferred tax liabilities	(6,282)	(6,543)	(6,397)
Other liabilities	0	0	0
Long-term related parties debt	0	(4,625,746)
Due to affiliates	(4,719,341)		(4,178,295)
Due from Related Parties, Current	(4,719,341)	(4,625,746)	(4,178,295)
Total liabilities	(4,725,623)	$ (4,640,029)	(4,194,543)
Commitments and contingencies
Total shareholders' equity	(2,789,825)	$ (2,598,408)	(2,570,182)
Total liabilities and shareholders' equity	(7,515,448)	(7,238,437)	(6,764,725)
Parent Company [Member] | Reportable Legal Entities [Member]
Cash and equivalents	1,746	0	0	0
Trade receivables, less allowances	0	0	0
Other receivables, net	0	0	0
Inventories	0	0	0
Prepaid expenses	477	209	954
Other current assets	96	0	0
Total current assets	2,319	209	58,164
Property, plant and equipment, net	0	0	0
Investments and other assets, net	9,954	22,032	21,309
Trademarks	0	0	0
Goodwill	0	0	0
Other intangible assets, net	0	0	0
Investments In, And Accounts With, Subsidiaries	1,478,712	1,431,037	1,439,143
Total assets	1,575,856	1,537,576	1,518,616
Current portion of long-term debt and capital lease obligations	0	0	0
Accounts payable	3,929	6,795	3,143
Accrued liabilities	24,860	31,752	33,224
Total current liabilities	28,789	38,547	955,911
Long-term debt and capital lease obligations, net of current portion	45,002	176,431	170,053
Accrued pension and other employee benefits	9,793	14,637	14,592
Deferred tax liabilities	0	0	235
Other liabilities	0	3,402	1,571
Long-term related parties debt	238,479	981,225
Due to affiliates	749,479		919,544
Due from Related Parties, Current	84,871	84,298	57,210
Total liabilities	1,071,542	$ 1,214,242	1,142,362
Commitments and contingencies
Total shareholders' equity	504,314	$ 323,334	376,254
Total liabilities and shareholders' equity	1,575,856	1,537,576	1,518,616
Subsidiary Issuer [Member] | Reportable Legal Entities [Member]
Cash and equivalents	28,933	13,707	22,189	15,851
Trade receivables, less allowances	58,294	49,844	56,360
Other receivables, net	7,242	4,383	999
Inventories	10,621	9,657	10,831
Prepaid expenses	2,104	5,555	1,631
Other current assets	6,224	10,070	3,587
Total current assets	113,418	93,216	2,263,866
Property, plant and equipment, net	8,501	15,680	17,733
Investments and other assets, net	8,655	11,209	12,555
Trademarks	208,085	208,085	208,085
Goodwill	0	0	0
Other intangible assets, net	0	0	0
Investments In, And Accounts With, Subsidiaries	1,307,670	1,165,799	1,129,504
Total assets	3,847,781	3,871,179	3,631,743
Current portion of long-term debt and capital lease obligations	0	1,500	1,500
Accounts payable	8,199	7,672	4,937
Accrued liabilities	16,201	24,308	23,735
Total current liabilities	24,400	33,480	1,698,425
Long-term debt and capital lease obligations, net of current portion	190,276	415,858	416,450
Accrued pension and other employee benefits	4,569	6,549	2,882
Deferred tax liabilities	79,867	83,188	66,653
Other liabilities	7,636	7,919	8,190
Long-term related parties debt	0	1,893,148
Due to affiliates	2,062,321		1,668,253
Due from Related Parties, Current	2,201,452	2,377,190	2,168,269
Total liabilities	2,369,069	$ 2,440,142	2,192,600
Commitments and contingencies
Total shareholders' equity	1,478,712	$ 1,431,037	1,439,143
Total liabilities and shareholders' equity	3,847,781	3,871,179	3,631,743
Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member]
Cash and equivalents	48,358	0	0	0
Trade receivables, less allowances	62,154	47,579	60,229
Other receivables, net	4,790	3,302	4,452
Inventories	36,889	34,331	34,668
Prepaid expenses	5,886	8,193	9,137
Other current assets	11,369	11,506	12,823
Total current assets	169,446	104,911	1,516,011
Property, plant and equipment, net	184,246	194,362	197,730
Investments and other assets, net	3,606	4,372	4,466
Trademarks	38,500	38,500	38,500
Goodwill	18,095	18,095	18,095
Other intangible assets, net	72,840	77,511	82,182
Investments In, And Accounts With, Subsidiaries	3,443	1,572	1,535
Total assets	2,148,906	1,977,238	1,858,519
Current portion of long-term debt and capital lease obligations	1,622	1,674	1,622
Accounts payable	112,203	86,010	89,973
Accrued liabilities	57,383	54,199	62,527
Total current liabilities	171,208	141,883	1,379,202
Long-term debt and capital lease obligations, net of current portion	39,130	39,945	40,812
Accrued pension and other employee benefits	0	0	0
Deferred tax liabilities	26,613	27,720	46,293
Other liabilities	22,686	21,979	9,427
Long-term related parties debt	0	1,346,665
Due to affiliates	1,469,996		1,225,080
Due from Related Parties, Current	1,658,730	1,537,915	1,394,702
Total liabilities	1,729,633	$ 1,578,192	1,475,734
Commitments and contingencies
Total shareholders' equity	419,273	$ 399,046	382,785
Total liabilities and shareholders' equity	2,148,906	1,977,238	1,858,519
Non-Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member]
Cash and equivalents	66,258	34,453	32,324	$ 38,166
Trade receivables, less allowances	125,876	119,997	155,306
Other receivables, net	48,503	59,335	55,961
Inventories	158,122	153,319	165,812
Prepaid expenses	31,298	24,861	27,417
Other current assets	413	503	0
Total current assets	430,470	392,468	994,934
Property, plant and equipment, net	184,823	186,987	184,399
Investments and other assets, net	74,842	79,150	77,814
Trademarks	179,500	179,500	179,500
Goodwill	0	0	0
Other intangible assets, net	21	34	47
Investments In, And Accounts With, Subsidiaries	0	0	0
Total assets	1,643,944	1,464,482	1,436,694
Current portion of long-term debt and capital lease obligations	1,641	1,529	1,488
Accounts payable	147,556	122,809	153,526
Accrued liabilities	57,130	48,436	59,626
Total current liabilities	206,327	172,774	580,058
Long-term debt and capital lease obligations, net of current portion	3,549	5,284	5,177
Accrued pension and other employee benefits	62,763	68,195	62,800
Deferred tax liabilities	0	0	0
Other liabilities	41,920	45,196	40,405
Long-term related parties debt	0	404,708
Due to affiliates	437,545		365,418
Due from Related Parties, Current	774,288	626,343	558,114
Total liabilities	752,104	$ 696,157	688,440
Commitments and contingencies
Total shareholders' equity	891,840	$ 768,325	748,254
Total liabilities and shareholders' equity	$ 1,643,944	$ 1,464,482	$ 1,436,694