Capital and Financing Transactions - Notes Payable (Details) (USD $)				0 Months Ended				0 Months Ended				0 Months Ended		0 Months Ended		12 Months Ended				0 Months Ended	12 Months Ended		0 Months Ended									0 Months Ended			0 Months Ended
	Dec. 31, 2013	Sep. 28, 2012	Mar. 30, 2012 Bank	Oct. 10, 2012 Revolving Credit Facility [Member] Bank	Sep. 27, 2012 Revolving Credit Facility [Member]	Mar. 30, 2012 Revolving Credit Facility [Member]	Mar. 30, 2012 Working Capital Revolving Credit Facility [Member]	Mar. 30, 2012 New Facilities [Member]	Jun. 12, 2013 Unsecured Term Loan [Member]	Sep. 28, 2012 Unsecured Term Loan [Member] Swap	Sep. 27, 2012 Unsecured Term Loan [Member]	Sep. 28, 2012 Term Loan Swap [Member]	Jun. 12, 2013 Term Loan Swap [Member]	Sep. 27, 2012 Key Bank [Member] Unsecured Term Loan [Member]	Sep. 28, 2012 Key Bank [Member] Unsecured Term Loan [Member] Swap	Dec. 31, 2013 Key Bank [Member] Unsecured Term Loan [Member]		Sep. 30, 2013 Wells Fargo Bank [Member] Unsecured Term Loan $120 million [Member]	Jun. 12, 2013 Wells Fargo Bank [Member] Unsecured Term Loan $120 million [Member]	Jun. 12, 2013 Wells Fargo [Member] Term Loan [Member]	Dec. 31, 2013 Wells Fargo [Member] Term Loan [Member]		Feb. 10, 2012 Minimum [Member]	Sep. 27, 2012 Minimum [Member] Revolving Credit Facility [Member]	Mar. 30, 2012 Minimum [Member] New Facilities [Member]	Jun. 12, 2013 Minimum [Member] Unsecured Term Loan [Member]	Sep. 28, 2012 Minimum [Member] Key Bank [Member] Unsecured Term Loan [Member]	Jun. 12, 2013 Minimum [Member] Wells Fargo [Member] Term Loan [Member]	Feb. 10, 2012 Maximum [Member]	Sep. 27, 2012 Maximum [Member] Revolving Credit Facility [Member]	Oct. 10, 2012 Maximum [Member] Revolving Credit Facility [Member]	Mar. 30, 2012 Maximum [Member] New Facilities [Member]	Jun. 12, 2013 Maximum [Member] Unsecured Term Loan [Member]	Sep. 27, 2012 Maximum [Member] Unsecured Term Loan [Member]	Sep. 28, 2012 Maximum [Member] Key Bank [Member] Unsecured Term Loan [Member]	Jun. 12, 2013 Maximum [Member] Wells Fargo [Member] Term Loan [Member]	Oct. 10, 2012 London Interbank Offered Rate (LIBOR) [Member] Revolving Credit Facility [Member]	Jun. 12, 2013 London Interbank Offered Rate (LIBOR) [Member] Working Capital Revolving Credit Facility [Member]	Sep. 28, 2012 London Interbank Offered Rate (LIBOR) [Member] Key Bank [Member] Unsecured Term Loan [Member]	Jun. 12, 2013 London Interbank Offered Rate (LIBOR) [Member] Wells Fargo [Member] Term Loan [Member]
Line of Credit Facility [Line Items]
Number of banks in the consortium			8
Line of Credit capacity prior to modification				$ 190,000,000		$ 190,000,000
Maximum borrowing capacity							10,000,000		120,000,000		125,000,000.0
Remaining borrowing capacity								200,000,000
Expiration date prior to modification								Jan. 31, 2014
Expiration date subsequent to modification								Mar. 29, 2016						Sep. 27, 2017		Sep. 27, 2017	[1]				Jun. 11, 2018	[2]
Optional period to extend term of facility								1 year 0 months 0 days
Accordion feature																									50,000,000						160,000,000	160,000,000	250,000,000	250,000,000
Variable rate basis				LIBOR				LIBOR	LIBOR						LIBOR					LIBOR
Amount of accordion feature exercised				25,000,000
Line of credit capacity after first modification				215,000,000
Number of banks in consortium after modification				9
Number of interest rate derivatives held										2					2
Notional amount		125,000,000										125,000,000	120,000,000.0		125,000,000
LIBOR rate period fixed																																						1.60%
Interest Rate	2.70%											0.70%			2.20%	2.50%	[1]		3.30%		3.30%	[2]																	0.70%	1.60%
Outstanding balance	$ 303,000,000															$ 125,000,000	[1]	$ 120,000,000			$ 120,000,000	[2]
Term loan facility swap terms (in years)												5 years 0 months 0 days			5 years					5 years																		5 years
Basis spread on variable rate (in percent)					1.50%			1.60%	1.45%											1.70%			2.50%	1.50%	1.60%	1.45%	1.50%	1.45%	3.50%	2.25%		2.35%	2.00%		2.25%	2.20%	1.60%		1.75%
Commitment fee percentage on line of credit								0.25%																	0.25%							0.35%

[1] Effective October 1, 2012, the Company executed two floating-to-fixed interest rate swaps associated with the Term Loan Facility totaling $125 million, locking LIBOR at 0.7% for five years. The loan bears interest at LIBOR plus the applicable spread which ranges

[2] Effective June 12, 2013, the Company entered into a new floating-to-fixed interest rate swap associated with a New Term Loan Facility totaling $120 million, locking LIBOR at 1.6% for five years. The loan bears interest at LIBOR plus the applicable spread which ranges between 145 to 220 basis points based on overall Company leverage. The current spread associated with the loan is 1.7% resulting in an all-in rate of 3.3%.