Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Jan. 02, 2011
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%	35.00%	35.00%
U.S. Federal Manufacturing Deduction tax (benefit) expense	$ (3,323,000)	$ 1,365,000	$ (8,419,000)
Tax benefits with respect to losses from discontinued operations	66,700,000	5,800,000	14,900,000
Excess of book value over tax basis of investment	64,200,000	60,600,000
Deferred state income tax asset	34,578,000	34,506,000
Deferred tax assets, net	241,782,000	226,633,000
Deferred tax assets with respect to U.S. Federal income tax loss carryforwards	2,857,000	6,301,000
Deferred tax assets with respect to U.S. Federal capital loss carryforwards	10,837,000	0
Deferred tax assets with respect to U.S. Federal foreign tax credit carryforwards	6,781,000	0
Deferred tax assets with respect to non U.S. income tax loss carryforwards	27,039,000	14,906,000
Valuation allowance	78,109,000	59,179,000
State [Member]
Income Taxes [Line Items]
Income tax loss carryforwards to expire	666,700,000
Valuation allowance related to operating loss carryforwards	34,600,000
Valuation allowance	48,200,000
U.S. Federal [Member]
Income Taxes [Line Items]
Deferred tax assets with respect to U.S. Federal income tax loss carryforwards	2,900,000
Capital loss carryforwards	27,800,000
Deferred tax assets with respect to U.S. Federal capital loss carryforwards	10,800,000
Foreign tax credit carryforwards	6,800,000
Deferred tax assets with respect to U.S. Federal foreign tax credit carryforwards	6,800,000
Income tax loss carryforwards obtained as a result of prior stock acqusitions	8,100,000
Valuation allowance	0
Deferred income tax assets related to undistributed earnings of investments in non-U.S. subsidiaries		700,000
non-U.S. [Member]
Income Taxes [Line Items]
Impairment charges related to non-U.S. affiliates		9,200,000
Deferred tax assets with respect to non U.S. income tax loss carryforwards	27,000,000
Tax loss carryforwards as a result of operating losses and prior stock acquisitions	93,000,000
Tax loss carryforwards from operating losses and prior stock acquisitions that can be carried forward indefinitely	84,600,000
Valuation allowance	29,900,000
Valuation allowance against the deferred tax assets recorded for the tax losses carryforward	25,200,000
non-U.S. [Member] | Through 2017 [Member]
Income Taxes [Line Items]
Tax loss carryforwards subject to expiration	3,000,000
non-U.S. [Member] | After 2017 [Member]
Income Taxes [Line Items]
Tax loss carryforwards subject to expiration	5,400,000
U.S. Federal and State [Member]
Income Taxes [Line Items]
Deferred income tax liabilities related to undistributed earnings of investments in non-U.S. subsidiaries	1,700,000
Additional deferred tax liabilitites due to excess of book value over tax basis of investment	14,700,000	13,400,000
Tax Loss Carryforwards [Member] | State [Member]
Income Taxes [Line Items]
Deferred tax assets, net	$ 0