Pension and Postretirement Benefit Plans Funded Status (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 28, 2011	Dec. 31, 2011	Dec. 29, 2012	Jan. 01, 2011
U.S. Plans Benefits
Change in Projected Benefit Obligation:
Service costs	$ 0	$ 0	$ 0	$ 0
Interest costs	(58)	(646)	(620)	(730)
Non-U.S. Plans Benefits
Change in Projected Benefit Obligation:
Service costs	(162)	(1,917)	(2,002)	(1,984)
Interest costs	(458)	(5,262)	(5,032)	(5,215)
U.S. Plans Benefits
Change in Projected Benefit Obligation:
Service costs	0	0	0	0
Interest costs	0	0	0	0
Non-U.S. Plans Benefits
Change in Projected Benefit Obligation:
Service costs	(7)	(75)	(69)	(76)
Interest costs	(24)	(279)	(218)	(345)
Successor | U.S. Plans Benefits
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year		(13,125)	(15,219)
Service costs		0	0
Interest costs		(646)	(620)
Participant contributions		0	0
Actuarial gain / (loss)		(2,349)	(1,451)
Settlements / curtailments		0	0
Benefit payments		(901)	(981)
Currency translation		0	0
Benefit obligation at end of year		(15,219)	(16,309)
Change in Plan Assets:
Fair value at beginning of year		11,974	11,341
Actual return on plan assets		(392)	1,091
Employer and participant contributions		660	721
Settlements / curtailments		0	0
Benefit payments		(901)	(981)
Currency translation		0	0
Fair value at end of year		11,341	12,172
Funded (unfunded) status		(3,878)	(4,137)
Amounts included in the balance sheet:
Net amount recognized		(3,878)	(4,137)
Successor | Non-U.S. Plans Benefits
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year		(104,758)	(105,637)
Service costs		(1,917)	(2,002)
Interest costs		(5,262)	(5,032)
Participant contributions		(173)	(173)
Actuarial gain / (loss)		(4,089)	(25,848)
Settlements / curtailments		0	5,520
Benefit payments		(4,410)	(4,556)
Currency translation		6,152	(2,964)
Benefit obligation at end of year		(105,637)	(131,580)
Change in Plan Assets:
Fair value at beginning of year		115,718	129,365
Actual return on plan assets		21,492	12,611
Employer and participant contributions		3,970	3,493
Settlements / curtailments		0	(4,542)
Benefit payments		(4,410)	(4,556)
Currency translation		(7,405)	2,693
Fair value at end of year		129,365	139,064
Funded (unfunded) status		23,728	7,484
Amounts included in the balance sheet:
Net amount recognized		23,728	7,484
Successor | U.S. Plans Benefits
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year		0	0
Additional benefit obligations		0	0
Service costs		0	0
Interest costs		0	0
Actuarial gain / (loss)		0	0
Settlements / curtailments		0	0
Benefit payments		0	0
Currency translation		0	0
Benefit obligation at end of year		0	0
Change in Plan Assets:
Fair value at beginning of year		0	0
Actual return on plan assets		0	0
Employer and participant contributions		0	0
Benefit payments		0	0
Currency translation		0	0
Fair value at end of year		0	0
Funded (unfunded) status		0	0
Amounts included in the balance sheet:
Net amount recognized		0	0
Successor | Non-U.S. Plans Benefits
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year		(5,599)	(4,908)
Additional benefit obligations		0	0
Service costs		(75)	(69)
Interest costs		(279)	(218)
Actuarial gain / (loss)		(323)	(394)
Settlements / curtailments		556	364
Benefit payments		(614)	(407)
Currency translation		198	(46)
Benefit obligation at end of year		(4,908)	(4,864)
Change in Plan Assets:
Fair value at beginning of year		0	0
Actual return on plan assets		0	0
Employer and participant contributions		614	407
Benefit payments		(614)	(407)
Currency translation		0	0
Fair value at end of year		0	0
Funded (unfunded) status		(4,908)	(4,864)
Amounts included in the balance sheet:
Net amount recognized		(4,908)	(4,864)
Predecessor | U.S. Plans Benefits
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year	(13,367)
Service costs	0
Interest costs	(58)
Participant contributions	0
Actuarial gain / (loss)	219
Settlements / curtailments	0
Benefit payments	(81)
Currency translation	0
Benefit obligation at end of year	(13,125)
Change in Plan Assets:
Fair value at beginning of year	11,965
Actual return on plan assets	29
Employer and participant contributions	61
Settlements / curtailments	0
Benefit payments	(81)
Currency translation	0
Fair value at end of year	11,974
Funded (unfunded) status	(1,151)
Amounts included in the balance sheet:
Net amount recognized	(1,151)
Predecessor | Non-U.S. Plans Benefits
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year	(102,909)
Service costs	(162)
Interest costs	(458)
Participant contributions	(12)
Actuarial gain / (loss)	448
Settlements / curtailments	0
Benefit payments	(398)
Currency translation	(2,061)
Benefit obligation at end of year	(104,756)
Change in Plan Assets:
Fair value at beginning of year	117,398
Actual return on plan assets	(3,786)
Employer and participant contributions	222
Settlements / curtailments	0
Benefit payments	(398)
Currency translation	2,282
Fair value at end of year	115,718
Funded (unfunded) status	10,962
Amounts included in the balance sheet:
Net amount recognized	10,962
Predecessor | U.S. Plans Benefits
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year	0
Additional benefit obligations	0
Service costs	0
Interest costs	0
Actuarial gain / (loss)	0
Settlements / curtailments	0
Benefit payments	0
Currency translation	0
Benefit obligation at end of year	0
Change in Plan Assets:
Fair value at beginning of year	0
Actual return on plan assets	0
Employer and participant contributions	0
Benefit payments	0
Currency translation	0
Fair value at end of year	0
Funded (unfunded) status	0
Amounts included in the balance sheet:
Net amount recognized	0
Predecessor | Non-U.S. Plans Benefits
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year	(5,715)
Additional benefit obligations	0
Service costs	(7)
Interest costs	(24)
Actuarial gain / (loss)	128
Settlements / curtailments	0
Benefit payments	(34)
Currency translation	(15)
Benefit obligation at end of year	(5,599)
Change in Plan Assets:
Fair value at beginning of year	0
Actual return on plan assets	0
Employer and participant contributions	34
Benefit payments	(34)
Currency translation	0
Fair value at end of year	0
Funded (unfunded) status	(5,599)
Amounts included in the balance sheet:
Net amount recognized	(5,599)
Current assets | Successor | U.S. Plans Benefits
Amounts included in the balance sheet:
Current assets		0	0
Current assets | Successor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Current assets		0	263
Current assets | Predecessor | U.S. Plans Benefits
Amounts included in the balance sheet:
Current assets	0
Current assets | Predecessor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Current assets	0
Other noncurrent assets | Successor | U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent assets		0	0
Other noncurrent assets | Successor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent assets		31,688	15,087
Other noncurrent assets | Successor | U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent assets		0	0
Other noncurrent assets | Successor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent assets		0	0
Other noncurrent assets | Predecessor | U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent assets	0
Other noncurrent assets | Predecessor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent assets	17,462
Other noncurrent assets | Predecessor | U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent assets	0
Other noncurrent assets | Predecessor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent assets	0
Accounts payable and accrued liabilities | Successor | U.S. Plans Benefits
Amounts included in the balance sheet:
Accounts payable and accrued liabilities		0	0
Accounts payable and accrued liabilities | Successor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Accounts payable and accrued liabilities		(895)	(334)
Accounts payable and accrued liabilities | Successor | U.S. Plans Benefits
Amounts included in the balance sheet:
Accounts payable and accrued liabilities		0	0
Accounts payable and accrued liabilities | Successor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Accounts payable and accrued liabilities		(531)	(449)
Accounts payable and accrued liabilities | Predecessor | U.S. Plans Benefits
Amounts included in the balance sheet:
Accounts payable and accrued liabilities	0
Accounts payable and accrued liabilities | Predecessor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Accounts payable and accrued liabilities	(317)
Accounts payable and accrued liabilities | Predecessor | U.S. Plans Benefits
Amounts included in the balance sheet:
Accounts payable and accrued liabilities	0
Accounts payable and accrued liabilities | Predecessor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Accounts payable and accrued liabilities	(483)
Other noncurrent liabilities | Successor | U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent liabilities		(3,878)	(4,137)
Other noncurrent liabilities | Successor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent liabilities		(7,065)	(7,532)
Other noncurrent liabilities | Successor | U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent liabilities		0	0
Other noncurrent liabilities | Successor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent liabilities		(4,377)	(4,415)
Other noncurrent liabilities | Predecessor | U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent liabilities	(1,151)
Other noncurrent liabilities | Predecessor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent liabilities	(6,183)
Other noncurrent liabilities | Predecessor | U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent liabilities	0
Other noncurrent liabilities | Predecessor | Non-U.S. Plans Benefits
Amounts included in the balance sheet:
Other noncurrent liabilities	$ (5,116)