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
Dec. 28, 2013
Sep. 28, 2013
Dec. 29, 2012
Assets:      
Total assets $ 14,220 $ 17,820 $ 17,838
Liabilities:      
Total liabilities 4,165 4,165 548
Derivative liabilities [Member]
      
Liabilities:      
Total liabilities     548
Liability for contingent consideration [Member]
      
Liabilities:      
Total liabilities 4,165 4,165  
Certificates of deposit [Member]
      
Assets:      
Total assets 14,220 17,820 17,820
Derivative assets [Member]
      
Assets:      
Total assets     18
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 1 [Member] | Derivative assets [Member]
      
Assets:      
Total assets     0
Level 2 [Member]
      
Assets:      
Total assets 14,220 17,820 17,838
Liabilities:      
Total liabilities 0 0 548
Level 2 [Member] | Derivative liabilities [Member]
      
Liabilities:      
Total liabilities     548
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 2 [Member] | Derivative assets [Member]
      
Assets:      
Total assets     18
Level 3 [Member]
      
Assets:      
Total assets 0 0 0
Liabilities:      
Total liabilities 4,165 4,165 0
Level 3 [Member] | Derivative liabilities [Member]
      
Liabilities:      
Total liabilities     0
Level 3 [Member] | Liability for contingent consideration [Member]
      
Liabilities:      
Total liabilities 4,165 4,165  
Level 3 [Member] | Certificates of deposit [Member]
      
Assets:      
Total assets 0 0 0
Level 3 [Member] | Derivative assets [Member]
      
Assets:      
Total assets     $ 0