Financial Guarantees and Condensed Consolidating Financial Statements (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended	1 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Sep. 29, 2012 Successor [Member]	Oct. 01, 2011 Successor [Member]	Oct. 01, 2011 Successor [Member]	Sep. 29, 2012 Successor [Member]	Jan. 28, 2011 Predecessor [Member]	Sep. 29, 2012 PGI (Issuer) [Member] Successor [Member]	Oct. 01, 2011 PGI (Issuer) [Member] Successor [Member]	Oct. 01, 2011 PGI (Issuer) [Member] Successor [Member]	Sep. 29, 2012 PGI (Issuer) [Member] Successor [Member]	Jan. 28, 2011 PGI (Issuer) [Member] Predecessor [Member]	Sep. 29, 2012 Guarantors [Member] Successor [Member]	Oct. 01, 2011 Guarantors [Member] Successor [Member]	Oct. 01, 2011 Guarantors [Member] Successor [Member]	Sep. 29, 2012 Guarantors [Member] Successor [Member]	Jan. 28, 2011 Guarantors [Member] Predecessor [Member]	Sep. 29, 2012 Non-Guarantors [Member] Successor [Member]	Oct. 01, 2011 Non-Guarantors [Member] Successor [Member]	Oct. 01, 2011 Non-Guarantors [Member] Successor [Member]	Sep. 29, 2012 Non-Guarantors [Member] Successor [Member]	Jan. 28, 2011 Non-Guarantors [Member] Predecessor [Member]	Sep. 29, 2012 Eliminations [Member] Successor [Member]	Oct. 01, 2011 Eliminations [Member] Successor [Member]	Oct. 01, 2011 Eliminations [Member] Successor [Member]	Sep. 29, 2012 Eliminations [Member] Successor [Member]	Jan. 28, 2011 Eliminations [Member] Predecessor [Member]
Condensed Consolidating Statement of Operations
Net sales	$ 290,097	$ 315,498		$ 290,097	$ 315,498	$ 810,992	$ 881,512	$ 84,606	$ 0	$ 0	$ 0	$ 0	$ 0	$ 92,443	$ 99,756	$ 253,997	$ 286,210	$ 27,052	$ 203,125	$ 219,043	$ 566,907	$ 610,967	$ 58,887	$ (5,471)	$ (3,301)	$ (9,912)	$ (15,665)	$ (1,333)
Cost of goods sold	238,123	266,509		238,123	266,509	688,683	729,932	68,531	(12)	(26)	20	(42)	(24)	78,461	86,025	221,734	246,998	22,587	165,145	183,811	476,841	498,641	47,301	(5,471)	(3,301)	(9,912)	(15,665)	(1,333)
Gross profit	51,974	48,989		51,974	48,989	122,309	151,580	16,075	12	26	(20)	42	24	13,982	13,731	32,263	39,212	4,465	37,980	35,232	90,066	112,326	11,586	0	0	0	0	0
Selling, general and administrative expenses	33,044	34,516		33,044	34,516	98,338	102,354	11,564	9,141	9,677	25,571	27,420	3,620	5,491	6,020	17,954	18,051	1,873	18,412	18,819	54,813	56,883	6,071	0	0	0	0	0
Special charges, net	1,732	1,399		1,732	1,399	29,467	12,904	20,824	759	981	27,275	(6,082)	18,944	(294)	250	846	(2,004)	170	1,267	168	1,346	(4,818)	1,710	0	0	0	0	0
Other operating (income) loss, net	(235)	1,691		(235)	1,691	2,892	(754)	(564)	7	23	695	(3)	(1)	(19)	(29)	(174)	(240)	(42)	(223)	1,697	2,371	(511)	(521)	0	0	0	0	0
Operating income (loss)	17,433	11,383		17,433	11,383	(8,388)	37,076	(15,749)	(9,895)	(10,655)	(53,561)	(33,457)	(22,539)	8,804	7,490	13,637	19,397	2,464	18,524	14,548	31,536	51,136	4,326	0	0	0	0	0
Other expense (income):
Interest expense, net	12,487	12,866		12,487	12,866	33,513	38,074	1,922	12,485	11,045	50,963	41,624	1,859	(4,690)	(3,388)	(29,695)	(17,968)	(1,176)	4,692	5,209	12,245	14,418	1,239	0	0	0	0	0
Intercompany royalty and technical service fees, net				0	0	0	0	0	(1,563)	(2,655)	(4,841)	(4,492)	(546)	(1,853)	(1,331)	(5,811)	(5,295)	(683)	3,416	3,986	10,652	9,787	1,229	0	0	0	0	0
Foreign currency and other (gain) loss, net	999	2,886		999	2,886	4,249	4,095	82	(18,932)	1,836	1,132	(18,934)	28	19,092	73	480	18,854	85	839	977	2,637	4,175	(31)	0	0	0	0	0
Equity in earnings of subsidiaries				0	0	0	0	0	686	6,971	37,850	32,229	5,198	7,754	(1,605)	(4,577)	16,078	1,672	0	0	0	0	0	(8,440)	(5,366)	(33,273)	(48,307)	(6,870)
Loss before income tax expense and discontinued operations	3,947	(4,369)		3,947	(4,369)	(46,150)	(5,093)	(17,753)	(1,199)	(13,910)	(62,965)	(19,426)	(18,682)	4,009	10,531	44,086	39,884	5,910	9,577	4,376	6,002	22,756	1,889	(8,440)	(5,366)	(33,273)	(48,307)	(6,870)
Income tax (benefit) expense	2,593	936		2,593	936	1,614	5,912	549	(2,553)	(4,722)	(8,215)	(8,421)	(479)	3,260	3,520	6,151	7,465	706	1,886	2,138	3,678	6,868	322	0	0	0	0	0
Loss from continuing operations	1,354	(5,305)			(5,305)	(47,764)	(11,005)	(18,302)		(9,188)	(54,750)		(18,203)		7,011	37,935		5,204		2,238	2,324		1,567		(5,366)	(33,273)		(6,870)
Loss from discontinued operations, net of tax	0	(3,883)			(3,363)	(6,927)	0	182		0					0					(3,363)					0
(Loss) income from operations of discontinued business	0	(3,363)		0	(3,363)	(6,192)	0	182			0		0			0		0			(6,192)		182			0		0
Loss on sale of discontinued operations	0	(520)			(520)	(735)	0	0		0	0				0	0				(520)	(735)				0	0
Net loss			(11,005)	1,354	(9,188)	(54,691)	(11,005)	(18,120)	1,354	(9,188)	(54,750)	(11,005)	(18,203)	749	7,011	37,935	32,419	5,204	7,691	(1,645)	(4,603)	15,888	1,749	(8,440)	(5,366)	(33,273)	(48,307)	(6,870)
Net income attributable to noncontrolling interests						(59)	0	(83)			0		0			0		0			(59)		(83)			0		0
Net income (loss)	$ 1,354	$ (9,188)			$ (9,188)	$ (54,750)	$ (11,005)	$ (18,203)		$ (9,188)	$ (54,750)		$ (18,203)		$ 7,011	$ 37,935		$ 5,204		$ (1,645)	$ (4,662)		$ 1,666		$ (5,366)	$ (33,273)		$ (6,870)