Restructuring and Lease Charges, Net (Narrative) (Details) (USD $)
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3 Months Ended | 6 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 12 Months Ended | 6 Months Ended | 6 Months Ended | |||||||||||||||||||||||
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Jun. 30, 2013
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Jul. 01, 2012
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Jun. 30, 2013
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Jul. 01, 2012
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Dec. 30, 2012
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Jun. 30, 2013
Q2 2013 Restructuring Plan [Member]
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Jun. 30, 2013
Q2 2013 Restructuring Plan [Member]
Human Health [Member]
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Jun. 30, 2013
Q2 2013 Restructuring Plan [Member]
Environmental Health [Member]
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Jun. 30, 2013
Q2 2013 Restructuring Plan [Member]
Severance [Member]
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Jun. 30, 2013
Q2 2013 Restructuring Plan [Member]
Facility Closing [Member]
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Mar. 31, 2013
Q1 2013 Restructuring Plan [Member]
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Mar. 31, 2013
Q1 2013 Restructuring Plan [Member]
Human Health [Member]
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Mar. 31, 2013
Q1 2013 Restructuring Plan [Member]
Environmental Health [Member]
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Mar. 31, 2013
Q1 2013 Restructuring Plan [Member]
Severance [Member]
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Jun. 30, 2013
Q1 2013 Restructuring Plan [Member]
Severance [Member]
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Dec. 30, 2012
Q4 2012 Restructuring Plan [Member]
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Dec. 30, 2012
Q4 2012 Restructuring Plan [Member]
Human Health [Member]
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Dec. 30, 2012
Q4 2012 Restructuring Plan [Member]
Environmental Health [Member]
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Jun. 30, 2013
Q4 2012 Restructuring Plan [Member]
Severance [Member]
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Dec. 30, 2012
Q4 2012 Restructuring Plan [Member]
Severance [Member]
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Sep. 30, 2012
Q3 2012 Restructuring Plan [Member]
employees
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Sep. 30, 2012
Q3 2012 Restructuring Plan [Member]
Human Health [Member]
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Jun. 30, 2013
Q3 2012 Restructuring Plan [Member]
Human Health [Member]
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Sep. 30, 2012
Q3 2012 Restructuring Plan [Member]
Environmental Health [Member]
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Jun. 30, 2013
Q3 2012 Restructuring Plan [Member]
Environmental Health [Member]
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Jun. 30, 2013
Q3 2012 Restructuring Plan [Member]
Severance [Member]
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Dec. 30, 2012
Q3 2012 Restructuring Plan [Member]
Severance [Member]
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Jun. 30, 2013
Q2 2012 Restructuring Plan [Member]
employees
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Jun. 30, 2013
Q2 2012 Restructuring Plan [Member]
Human Health [Member]
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Dec. 30, 2012
Q2 2012 Restructuring Plan [Member]
Human Health [Member]
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Jun. 30, 2013
Q2 2012 Restructuring Plan [Member]
Environmental Health [Member]
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Dec. 30, 2012
Q2 2012 Restructuring Plan [Member]
Environmental Health [Member]
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Jun. 30, 2013
Q2 2012 Restructuring Plan [Member]
Severance [Member]
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Dec. 30, 2012
Q2 2012 Restructuring Plan [Member]
Severance [Member]
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Dec. 30, 2012
Q1 2012 Restructuring Plan [Member]
employees
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Jun. 30, 2013
Q1 2012 Restructuring Plan [Member]
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Dec. 30, 2012
Q1 2012 Restructuring Plan [Member]
Human Health [Member]
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Dec. 30, 2012
Q1 2012 Restructuring Plan [Member]
Environmental Health [Member]
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Jun. 30, 2013
Q1 2012 Restructuring Plan [Member]
Severance [Member]
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Dec. 30, 2012
Q1 2012 Restructuring Plan [Member]
Severance [Member]
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Jun. 30, 2013
Previous restructuring and integration plans [Member]
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Jun. 30, 2013
Previous restructuring and integration plans [Member]
Severance [Member]
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Jun. 30, 2013
Contract Termination [Member]
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Restructuring Cost and Reserve [Line Items] | |||||||||||||||||||||||||||||||||||||||||||
Restructuring and lease charges, net | $ 19,277,000 | $ 5,203,000 | $ 22,587,000 | $ 11,362,000 | $ 18,735,000 | $ 9,900,000 | $ 8,800,000 | $ 18,163,000 | $ 572,000 | $ 2,300,000 | $ 200,000 | $ 2,585,000 | $ 600,000 | $ 2,400,000 | $ 3,900,000 | $ 3,900,000 | $ 1,900,000 | $ 7,200,000 | $ 200,000 | $ 1,805,000 | $ 5,400,000 | $ 1,000,000 | |||||||||||||||||||||
Restructuring and Related Cost, Remaining Cost | 600,000 | 400,000 | 0 | ||||||||||||||||||||||||||||||||||||||||
Additional accrual for estimated sublease rental payments and (reversal) related to lower than expected cost associated with workforce reductions | (200,000) | (200,000) | (446,000) | (100,000) | 30,000 | (300,000) | 200,000 | ||||||||||||||||||||||||||||||||||||
Number of employees reduced | 265 | 62 | 54 | 66 | 203 | 112 | |||||||||||||||||||||||||||||||||||||
Remaining payments | 32,641,000 | 32,641,000 | 21,364,000 | 17,951,000 | 17,768,000 | 183,000 | 744,000 | 1,012,000 | 2,682,000 | 4,641,000 | 7,553,000 | 3,025,000 | 4,586,000 | 798,000 | 1,281,000 | 9,300,000 | 100,000 | ||||||||||||||||||||||||||
Restructuring Reserve, Settled with Cash | 700,000 | ||||||||||||||||||||||||||||||||||||||||||
Payments for Restructuring | $ 784,000 | $ 395,000 | $ 389,000 | $ 1,841,000 | $ 1,670,000 | $ 2,466,000 | $ 3,366,000 | $ 513,000 | $ 1,400,000 |