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Summary of Significant Accounting Policies (Narrative) (Details) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2014 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2015 USD ($) customer | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |  |
Revenue recognized under the percentage-of-completion method |  |  | 16.70% |  |
Number of significant customers | customer |  |  | 2 |  |
Advertising costs |  |  | $ 4,700,000 | $ 4,000,000 | $ 4,000,000
Minimum | Land, Buildings and Improvements |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives |  |  | 15 years |  |
Minimum | Machinery and Equipment |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives |  |  | 3 years |  |
Maximum | Land, Buildings and Improvements |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives |  |  | 40 years |  |
Maximum | Machinery and Equipment |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives |  |  | 20 years |  |
Residential Products | Home Improvement Retail Company | Accounts Receivable |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Concentrations of credit risk |  |  | 11.80% | 17.10% |
Residential Products | Home Improvement Retail Company | Net sales |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Concentrations of credit risk |  |  | 10.60% | 11.50% |
Residential Products | Foreign Postal Operator | Accounts Receivable |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Concentrations of credit risk |  |  | 5.50% | 11.50% |
First quarter 2015 Sale Leaseback |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Sale price |  | $ 26,373,000 |  |  |
Period of lease |  | 5 years |  |  |
Net present value of future minimum lease payments |  | $ 5,765,000 |  |  |
Deferred gain on sale |  | 13,144,000 |  |  |
Gain above minimum lease payments fair value |  | 7,379,000 |  |  |
Minimum lease payment for first year |  | 1,378,000,000 |  |  |
Minimum lease payments year 2 |  | 1,378,000,000 |  |  |
Minimum lease payments year 3 |  | 1,378,000,000 |  |  |
Minimum lease payments year 4 |  | 1,378,000,000 |  |  |
Minimum lease payments year 5 |  | $ 1,378,000,000 |  |  |
June 2014 Sale Leaseback |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Sale price | $ 4,500,000 |  |  |  |
Period of lease | 5 years |  |  |  |
Net present value of future minimum lease payments | $ 892,000 |  |  |  |
Deferred gain on sale | 829,000 |  |  |  |
Minimum lease payment for first year | $ 202,000 |  |  |  |
Percent leased back | 50.00% |  |  |  |
Lease payment escalation rate | 3.00% |  |  |  |
Period of lease payment increase | 4 years |  |  |  |
Accounting Standard Update 2015-15 |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Increase (Decrease) in Other Current Assets |  |  | $ 3,900,000 | $ 3,700,000 |
Accounting Standard Update 2015-17 |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Increase (Decrease) in Other Current Assets |  |  | $ 10,000,000 |  |

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