Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)

v2.4.0.8
Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (Fair Value, Measurements, Recurring [Member], USD $)
In Thousands, unless otherwise specified
Jun. 28, 2014
Sep. 28, 2013
Jun. 29, 2013
Assets:      
Total assets $ 14,220 $ 17,820 $ 17,820
Liabilities:      
Total liabilities 4,414 4,165 197
Derivative Liabilities [Member]
      
Liabilities:      
Total liabilities     197
Liability for Contingent Consideration [Member]
      
Liabilities:      
Total liabilities 4,414 4,165  
Certificates of Deposit [Member]
      
Assets:      
Total assets 14,220 17,820 17,820
Level 1 [Member]
      
Assets:      
Total assets 0 0 0
Liabilities:      
Total liabilities 0 0 0
Level 1 [Member] | Derivative Liabilities [Member]
      
Liabilities:      
Total liabilities     0
Level 1 [Member] | Liability for Contingent Consideration [Member]
      
Liabilities:      
Total liabilities 0 0  
Level 1 [Member] | Certificates of Deposit [Member]
      
Assets:      
Total assets 0 0 0
Level 2 [Member]
      
Assets:      
Total assets 14,220 17,820 17,820
Liabilities:      
Total liabilities 0 0 197
Level 2 [Member] | Derivative Liabilities [Member]
      
Liabilities:      
Total liabilities     197
Level 2 [Member] | Liability for Contingent Consideration [Member]
      
Liabilities:      
Total liabilities 0 0  
Level 2 [Member] | Certificates of Deposit [Member]
      
Assets:      
Total assets 14,220 17,820 17,820
Level 3 [Member]
      
Assets:      
Total assets 0 0 0
Liabilities:      
Total liabilities 4,414 4,165 0
Level 3 [Member] | Derivative Liabilities [Member]
      
Liabilities:      
Total liabilities     0
Level 3 [Member] | Liability for Contingent Consideration [Member]
      
Liabilities:      
Total liabilities 4,414 4,165  
Level 3 [Member] | Certificates of Deposit [Member]
      
Assets:      
Total assets $ 0 $ 0 $ 0