v2.4.0.8

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2013
Accounting Policies [Abstract] |
Schedule of Product Warranty Liability [Table Text Block] | Accrued warranty activities are summarized as follows ($ amounts in 000’s):
| Fiscal Year
| 2013 |  | 2012 |  | 2011
Accrued warranty balance—beginning of the period | 2,309 |  |  | 2,582 |  |  | 1,878 |
Warranty costs incurred | (3,444 | ) |  | (2,669 | ) |  | (1,778 | )
Provision for warranty for the year, including warranty liabilities assumed in connection with an acquisition | 3,965 |  |  | 2,639 |  |  | 2,103 |
Changes in prior period estimates | 207 |  |  | (243 | ) |  | 379 |
Accrued warranty balance—end of the period | 3,037 |  |  | 2,309 |  |  | 2,582 |
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] | The notional amount of forward exchange contracts to hedge balance sheet accounts as of December 31, 2013 was (amounts in 000’s):
| Buy/Sell |  | Notional
Balance Sheet Contracts: |  |  |
Currency—As of December 31, 2013 |  |  |
CAD | Buy |  | 21,867 |
Currency—As of December 31, 2012 |  |  |
CAD | Buy |  | 17,968 |

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- Definition Tabular disclosure of the notional amounts of outstanding derivative positions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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