Long-Term Debt - Additional Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended				9 Months Ended						0 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014 Unsecured private placement notes	Mar. 29, 2014 Unsecured Debt [Member]	Mar. 29, 2014 Unsecured revolving credit facility	Mar. 29, 2014 Secured Revolving Credit Facility	Mar. 29, 2014 Minimum Unsecured revolving credit facility	Mar. 29, 2014 Maximum Unsecured revolving credit facility	Mar. 29, 2014 Unsecured Senior Notes 1 [Member] Unsecured Debt [Member]	Mar. 29, 2014 Unsecured Senior Notes 2 [Member] Unsecured Debt [Member]	Apr. 29, 2014 Subsequent Event [Member]	Mar. 31, 2014 Subsequent Event [Member] Unsecured revolving credit facility
Line of Credit Facility [Line Items]
Revolving credit facility							$ 250,000	$ 50,000
Debt facility expiration date							Mar. 07, 2017	Sep. 27, 2016
Interest rate spread on notes (in percent)					0.60%			0.75%	1.00%	2.00%
Interest Rate on Letters of Credit Outstanding								0.80%
Borrowings outstanding under the revolving credit facility							0	0
Letters of credit sub-limit							50,000
Letters of Credit Outstanding, Amount							636	24,925
Fee payment on unused credit balances, percentage							0.20%	0.26%
Amended minimum net worth required							378,574							342,314
Effective date of debt amendment, latest							Jun. 30, 2015
Long-term debt, notes					75,000	100,000					50,000	50,000
Debt Instrument, Interest Rate, Stated Percentage											3.73%	3.88%
Long-term debt maturities					Jun. 30, 2015						Apr. 15, 2023	Apr. 15, 2025
Outstanding balance, notes					75,000	100,000
Effective interest rate (in percent)					0.85%	3.81%
Line of credit facility, interest rate description							Borrowings in U.S. dollars under this credit facility generally bear interest at the adjusted London Interbank Offered Rate ("LIBOR") for specified interest periods plus a margin, which can range from 1.00% to 2.00%, depending on our consolidated leverage ratio. Additionally, we have access to a swingline facility under this line of credit as well as alternative base rate borrowings that are priced based on an agreed upon baseline rate plus a spread determined by the same consolidated leverage ratio.	We pay interest at a rate per annum equal to a margin of 0.75%, plus LIBOR.
Debt Instrument, description of variable rate basis					The notes bear interest at 0.60% over LIBOR
Debt instrument, frequency of periodic payment					The notes do not require principal payments until maturity
Special dividend declared per share	$ 0.27	$ 0.195	$ 0.81	$ 0.585									$ 6.00
Estimated dividends payable													$ 120,000