Acquisitions and Divestitures	12 Months Ended
May. 02, 2015
Business Combinations [Abstract]
Acquisitions and Divestitures	Acquisitions and Divestitures Fiscal 2015 Divestitures On February 3, 2015, we sold our 100% ownership interest in our Trace Laboratories businesses for $11.7 million, including $0.5 million held in escrow which is expected to be received in fiscal 2016. The businesses, located in Maryland and Illinois, provided services for qualification testing and certification, and analysis of electronic and optical components. The net assets of the businesses had a book value of $4.0 million. We recorded a pre-tax gain of $7.7 million, related to the sale of the net assets. Fiscal 2014 Divestitures On February 10, 2014, one of the Company's investments, an interest in Lumidigm, with a cost basis of $4.1 million, was sold. The Company's portion of the cash proceeds from the sale is $7.3 million, which resulted in a pre-tax gain of $3.2 million. The proceeds from the sale include $1.1 million held in escrow, which is expected to be received in fiscal 2016. The Company recorded the transaction in the fourth quarter of fiscal 2014. The Company continues to hold an exclusive license in Lumidigm for certain transportation markets. Fiscal 2013 Acquisitions In September 2012, we acquired certain assets of Hetronic South Europe S.R.L. for $1.4 million in cash, as well as the forgiveness of debt owed to the Company of $1.3 million, for total consideration of $2.7 million. We operate this business under the name Hetronic Italy. The business, located in Milan, Italy, is a market leader in industrial safety radio remote controls, primarily serving the Italian market. The accounts and transactions of Hetronic Italy have been included in the Hetronic Group in the Interface segment in the consolidated financial statements from the effective date of the acquisition. Based on a third-party valuation report, management determined that the tangible net assets acquired had a fair value of $0.3 million. The fair values assigned to intangible assets acquired were $1.6 million for customer relationships and $0.1 million for non-compete agreements, resulting in $0.8 million of goodwill. The customer relationships and non-compete agreements are being amortized over 12 and 5 years, respectively.

Acquisitions and Divestitures

Fiscal 2015 Divestitures

On February 3, 2015, we sold our 100% ownership interest in our Trace Laboratories businesses for $11.7 million, including $0.5 million held in escrow which is expected to be received in fiscal 2016. The businesses, located in Maryland and Illinois, provided services for qualification testing and certification, and analysis of electronic and optical components. The net assets of the businesses had a book value of $4.0 million. We recorded a pre-tax gain of $7.7 million, related to the sale of the net assets.

Fiscal 2014 Divestitures

On February 10, 2014, one of the Company's investments, an interest in Lumidigm, with a cost basis of $4.1 million, was sold. The Company's portion of the cash proceeds from the sale is $7.3 million, which resulted in a pre-tax gain of $3.2 million. The proceeds from the sale include $1.1 million held in escrow, which is expected to be received in fiscal 2016. The Company recorded the transaction in the fourth quarter of fiscal 2014. The Company continues to hold an exclusive license in Lumidigm for certain transportation markets.

Fiscal 2013 Acquisitions

In September 2012, we acquired certain assets of Hetronic South Europe S.R.L. for $1.4 million in cash, as well as the forgiveness of debt owed to the Company of $1.3 million, for total consideration of $2.7 million. We operate this business under the name Hetronic Italy. The business, located in Milan, Italy, is a market leader in industrial safety radio remote controls, primarily serving the Italian market. The accounts and transactions of Hetronic Italy have been included in the Hetronic Group in the Interface segment in the consolidated financial statements from the effective date of the acquisition.

Based on a third-party valuation report, management determined that the tangible net assets acquired had a fair value of $0.3 million. The fair values assigned to intangible assets acquired were $1.6 million for customer relationships and $0.1 million for non-compete agreements, resulting in $0.8 million of goodwill. The customer relationships and non-compete agreements are being amortized over 12 and 5 years, respectively.