Acquisitions (Details Textual) (USD $)			0 Months Ended		0 Months Ended
	Jun. 29, 2014	Dec. 29, 2013	Feb. 21, 2013 Verinata [Member]	Dec. 29, 2013 Series of Individually Immaterial Business Acquisitions [Member]	Sep. 19, 2012 BlueGnome [Member]	Feb. 21, 2013 Minimum [Member] Verinata [Member]	Feb. 21, 2013 Maximum [Member] Verinata [Member]
Acquisition [Abstract]
Business Combination, Consideration Transferred			$ 396,300,000		$ 95,500,000
Business acquisition cash consideration			339,300,000		88,000,000
Fair value of contingent consideration to be settled in cash			56,200,000		7,500,000
Contingent consideration payments, maximum			100,000,000		20,000,000
Fair value of assumed equity attributed to pre-combination services			200,000
Loss realized on settlement of preexisting relationships			500,000
Fair value inputs, discount rate						6.00%	20.00%
Fair value assumptions, expected volatility rate			50.00%
Fair value assumptions, risk free interest rate			0.26%
Goodwill	$ 721,648,000	$ 723,061,000		$ 124,900,000