Leases Leases	9 Months Ended
Sep. 29, 2013
Leases [Abstract]
Leases of Lessee Disclosure [Text Block]	Leases On August 22, 2013, the Company sold one of its facilities located in Boston, Massachusetts for $49.5 million. Simultaneously with the closing of the sale of the property, the Company entered into a lease agreement to lease back the property for its continued use. The lease has an initial term of 15 years and the Company has the right to extend the term of the lease for two additional periods of ten years each. The lease is accounted for as an operating lease and the Company has deferred $26.5 million of gains which will be amortized in operating expenses over the initial lease term of 15 years. Minimum rental commitments under the noncancelable operating lease are as follows: $3.2 million in fiscal year 2014, $3.2 million in fiscal year 2015, $3.3 million in fiscal year 2016, $3.4 million in fiscal year 2017, $3.5 million in fiscal year 2018 and $37.6 million in the aggregate thereafter. During the third quarter of fiscal year 2013, the Company amortized $0.2 million of deferred gains related to the lease. At September 29, 2013, $26.3 million of these deferred gains remained to be amortized.

Leases Leases

9 Months Ended

Sep. 29, 2013

Leases of Lessee Disclosure [Text Block]

Leases

On August 22, 2013, the Company sold one of its facilities located in Boston, Massachusetts for $49.5 million. Simultaneously with the closing of the sale of the property, the Company entered into a lease agreement to lease back the property for its continued use. The lease has an initial term of 15 years and the Company has the right to extend the term of the lease for two additional periods of ten years each. The lease is accounted for as an operating lease and the Company has deferred $26.5 million of gains which will be amortized in operating expenses over the initial lease term of 15 years. Minimum rental commitments under the noncancelable operating lease are as follows: $3.2 million in fiscal year 2014, $3.2 million in fiscal year 2015, $3.3 million in fiscal year 2016, $3.4 million in fiscal year 2017, $3.5 million in fiscal year 2018 and $37.6 million in the aggregate thereafter. During the third quarter of fiscal year 2013, the Company amortized $0.2 million of deferred gains related to the lease. At September 29, 2013, $26.3 million of these deferred gains remained to be amortized.