Business Acquisitions - VivoPath (Details) € in Millions	3 Months Ended
	Sep. 26, 2015 USD ($)	Mar. 28, 2015 USD ($)	Sep. 26, 2015 EUR (€)	Sep. 26, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 16, 2014 USD ($)	Apr. 01, 2014 USD ($)
VivoPath [Member]
Business Acquisition [Line Items]
Acquisition purchase price						$ 2,300,000
Contingent consideration						1,600,000
Aggregate undiscounted amount of contingent consideration					$ 400,000	2,400,000
Contingent consideration						$ 600,000
Gain on decrease in the expected future contingent consideration payment	$ 1,000,000
Argenta and BioFocus [Member]
Business Acquisition [Line Items]
Acquisition purchase price							$ 191,800,000
Contingent consideration							$ 900,000
Aggregate undiscounted amount of contingent consideration			€ 5.0	$ 5,600,000
Gain on decrease in the expected future contingent consideration payment		$ 800,000