Line of Credit	9 Months Ended
Sep. 30, 2017
Debt Disclosure [Abstract]
Line of Credit	Line of Credit Our Amended and Restated Credit Agreement ("Amended Credit Agreement") with U.S. Bank National Association ("U.S. Bank") provided for a $125.0 million revolving line of credit ("Credit Line") that was to expire on November 1, 2019. On October 27, 2017, we entered into a Second Amended and Restated Credit Agreement ("Second Amended Credit Agreement") with U.S. Bank as administrative agent, sole lead arranger and sole book runner, and Wells Fargo Bank, National Association, which replaces the Amended Credit Agreement. Under the Second Amended Credit Agreement, the Credit Line was increased to $170.0 million and the expiration date remained November 1, 2019. The Credit Line may be used for working capital and other general corporate purposes including acquisitions, share repurchases and capital expenditures. Amounts available for borrowing under the Credit Line are reduced by the balance of any outstanding letters of credit. There were no outstanding letters of credit at September 30, 2017. All obligations under the Credit Line are secured by substantially all of our U.S. personal property and tangible and intangible assets as well as 65% of our ownership interest in Enson Assets Limited, our wholly-owned subsidiary that controls our manufacturing factories in the PRC. The interest rate applicable to outstanding Credit Line balances under the Second Amended Credit Agreement is the same as under the Amended Credit Agreement. We may elect to pay interest on the Credit Line based on LIBOR plus an applicable margin (varying from 1.25% to 1.75%) or base rate (based on the prime rate of U.S. Bank or as otherwise specified in the Second Amended Credit Agreement) plus an applicable margin (varying from 0.00% to 0.50%). The applicable margins are calculated quarterly and vary based on our cash flow leverage ratio as set forth in the Amended Credit Agreement and Second Amended Credit Agreement. The interest rate in effect at September 30, 2017 was 2.48%. There are no commitment fees or unused line fees under the Amended Credit Agreement or the Second Amended Credit Agreement. The Amended Credit Agreement and Second Amended Credit Agreement include financial covenants requiring a minimum fixed charge coverage ratio and a maximum cash flow leverage ratio. In addition, the Amended Credit Agreement and Second Amended Credit Agreement also contain other customary affirmative and negative covenants and events of default. As of September 30, 2017, we were in compliance with the covenants and conditions of the Amended Credit Agreement. At September 30, 2017, we had $114.0 million outstanding under the Credit Line. Our total interest expense on borrowings was $0.8 million and $0.3 million during the three months ended September 30, 2017 and 2016, respectively, and $1.8 million and $0.9 million during the nine months ended September 30, 2017 and 2016, respectively.

Line of Credit

Our Amended and Restated Credit Agreement ("Amended Credit Agreement") with U.S. Bank National Association ("U.S. Bank") provided for a $125.0 million revolving line of credit ("Credit Line") that was to expire on November 1, 2019. On October 27, 2017, we entered into a Second Amended and Restated Credit Agreement ("Second Amended Credit Agreement") with U.S. Bank as administrative agent, sole lead arranger and sole book runner, and Wells Fargo Bank, National Association, which replaces the Amended Credit Agreement. Under the Second Amended Credit Agreement, the Credit Line was increased to $170.0 million and the expiration date remained November 1, 2019. The Credit Line may be used for working capital and other general corporate purposes including acquisitions, share repurchases and capital expenditures. Amounts available for borrowing under the Credit Line are reduced by the balance of any outstanding letters of credit. There were no outstanding letters of credit at September 30, 2017.

All obligations under the Credit Line are secured by substantially all of our U.S. personal property and tangible and intangible assets as well as 65% of our ownership interest in Enson Assets Limited, our wholly-owned subsidiary that controls our manufacturing factories in the PRC.

The interest rate applicable to outstanding Credit Line balances under the Second Amended Credit Agreement is the same as under the Amended Credit Agreement. We may elect to pay interest on the Credit Line based on LIBOR plus an applicable margin (varying from 1.25% to 1.75%) or base rate (based on the prime rate of U.S. Bank or as otherwise specified in the Second Amended Credit Agreement) plus an applicable margin (varying from 0.00% to 0.50%). The applicable margins are calculated quarterly and vary based on our cash flow leverage ratio as set forth in the Amended Credit Agreement and Second Amended Credit Agreement. The interest rate in effect at September 30, 2017 was 2.48%. There are no commitment fees or unused line fees under the Amended Credit Agreement or the Second Amended Credit Agreement.

The Amended Credit Agreement and Second Amended Credit Agreement include financial covenants requiring a minimum fixed charge coverage ratio and a maximum cash flow leverage ratio. In addition, the Amended Credit Agreement and Second Amended Credit Agreement also contain other customary affirmative and negative covenants and events of default. As of September 30, 2017, we were in compliance with the covenants and conditions of the Amended Credit Agreement.

At September 30, 2017, we had $114.0 million outstanding under the Credit Line. Our total interest expense on borrowings was $0.8 million and $0.3 million during the three months ended September 30, 2017 and 2016, respectively, and $1.8 million and $0.9 million during the nine months ended September 30, 2017 and 2016, respectively.