Income Taxes Income Tax Disclosure (Textual) (Details) (USD $)	12 Months Ended
	Jan. 03, 2015	Dec. 29, 2012	Dec. 28, 2013
Income Tax Textual [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 0		$ 100,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	1,000,000		1,200,000
Domestic Tax Authority [Member]
Income Tax Textual [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards	408,100,000
Deferred Tax Assets, Gross	199,600,000
Deferred Tax Assets, Valuation Allowance	96,900,000
Valuation Allowance, Deferred Tax Asset, Change in Amount	37,800,000
Valuation Allowances and Reserves, Charged to Cost and Expense	32,100,000
Tax Adjustments, Settlements, and Unusual Provisions		1,300,000
Foreign Tax Authority [Member]
Income Tax Textual [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2017
Deferred Tax Assets, Gross	6,300,000
State and Local Jurisdiction [Member]
Income Tax Textual [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	20,600,000
Deferred Tax Assets, Gross	25,700,000
Deferred Tax Assets, Valuation Allowance	15,000,000
Deferred Tax Asset [Domain]
Income Tax Textual [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	4,455,000		4,455,000
Deferred Tax Assets, Gross	231,644,000		198,727,000
Deferred Tax Assets, Net of Valuation Allowance	119,756,000		124,652,000
Deferred Tax Assets, Valuation Allowance	111,888,000		74,075,000
Minimum [Member] | Domestic Tax Authority [Member]
Income Tax Textual [Line Items]
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2031
Open Tax Year	2011
Minimum [Member] | Foreign Tax Authority [Member]
Income Tax Textual [Line Items]
Open Tax Year	2011
Minimum [Member] | State and Local Jurisdiction [Member]
Income Tax Textual [Line Items]
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2015
Open Tax Year	2009
Maximum [Member] | Domestic Tax Authority [Member]
Income Tax Textual [Line Items]
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2034
Open Tax Year	2013
Maximum [Member] | Foreign Tax Authority [Member]
Income Tax Textual [Line Items]
Open Tax Year	2013
Maximum [Member] | State and Local Jurisdiction [Member]
Income Tax Textual [Line Items]
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2034
Open Tax Year	2013
AMH Investment Holdings Corp [Member]
Income Tax Textual [Line Items]
Amounts due to or payable from AMH Investment Holdings Corp. related to the tax sharing agreement.	$ 0		$ 0