Fair Value Measurements (Assets And Liabilities Measured At Fair Value On Recurring Basis) (Detail) (USD $)	Apr. 04, 2014		Jan. 03, 2014
Other Current and Non Current Liabilities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration, Liability	$ 12,700,000
Level I [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value	17,470,000		16,547,000
Liabilities, Fair Value	17,468,000		16,545,000
Level I [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value	2,000	[1]	2,000	[1]
Level I [Member] | Deferred Compensation Plan Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value	17,468,000	[2]	16,545,000	[2]
Level II [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value	1,012,000		196,000
Liabilities, Fair Value	350,000		635,000
Level II [Member] | Derivative Financial Instruments, Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure	1,012,000	[3]	196,000	[3]
Level III [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value	5,414,000		2,401,000
Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value	18,482,000		16,743,000
Liabilities, Fair Value	23,232,000		19,581,000
Total [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value	2,000	[1]	2,000	[1]
Total [Member] | Deferred Compensation Plan Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value	17,468,000	[2]	16,545,000	[2]
Total [Member] | Derivative Financial Instruments, Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value	1,012,000	[3]	196,000	[3]
Deferred Compensation Plan Liabilities [Member] | Level I [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value	17,468,000	[2]	16,545,000	[2]
Deferred Compensation Plan Liabilities [Member] | Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value	17,468,000	[2]	16,545,000	[2]
Derivative Liabilities [Member] | Level II [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Derivative Liabilities at Fair Value	350,000	[3]	635,000	[3]
Derivative Liabilities [Member] | Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value	350,000	[3]	635,000	[3]
Contingent Consideration Liabilities [Member] | Level III [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value	5,414,000	[4]	2,401,000	[4]
Contingent Consideration Liabilities [Member] | Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value	$ 5,414,000	[4]	$ 2,401,000	[4]

[1] The money market funds are highly liquid investments. The fair values are determined using observable quoted prices in active markets. Money market funds are included in Cash and cash equivalents on the Company’s Condensed Consolidated Balance Sheets.

[2] The Company maintains a self-directed, non-qualified deferred compensation plan for certain executives and other highly compensated employees. The plan assets and liabilities are invested in actively traded mutual funds and individual stocks valued using observable quoted prices in active markets. Deferred compensation plan assets and liabilities are included in Other non-current assets and Other non-current liabilities on the Company's Condensed Consolidated Balance Sheets.

[3] Derivative assets and liabilities primarily represent forward currency exchange contracts. The Company typically enters into these contracts to minimize the short-term impact of foreign currency exchange rates on certain trade and inter-company receivables and payables. Derivative assets and liabilities are included in Other current assets and Other current liabilities on the Company's Condensed Consolidated Balance Sheets.

[4] Contingent consideration liabilities represent arrangements to pay the former owners of certain companies the Company acquired. The undiscounted maximum payment under the arrangements is $12.7 million at the end of the first quarter of fiscal 2014, based on estimated future revenues or gross margins. Contingent consideration liabilities are included in Other current liabilities and Other non-current liabilities on the Company's Condensed Consolidated Balance Sheets.